A runner starts from rest and with an acceleration of 2.0 m/s2 travels a distance of 12 meters.The velocity of the runner at the end of the distance is

A) 3.4 m/s. B) 5.7 m/s. C) 6.9 m/s. D) 7.5 m/s. E) 8.1 m/s. A) 3.4 m/s. B) 5.7 m/s. C) 6.9 m/s. D) 7.5 m/s. E) 8.1 m/s.

Two masses are connected by a cord that passes over a pulley as shown in the figure.The pulley and the cord have negligible mass and m2 (6.0 kg)moves on a horizontal surface with a coefficient of friction of 0.5,m1 (2.0 kg)is suspended vertically.What is the acceleration of m2?

A) 0.0 m/s2 B) 3.0 m/s2 C) 1.0 m/s2 D) 2.9 m/s2 A) 0.0 m/s2 B) 3.0 m/s2 C) 1.0 m/s2 D) 2.9 m/s2

An 80.0 kg person is riding in an elevator that is accelerating at 2.40 m/s2 downward.The apparent weight of the 80.0 kg person measured on a scale in the elevator is

A) 592 N. B) 639 N. C) 784 N. D) 855 N. E) 976 N. A) 592 N. B) 639 N. C) 784 N. D) 855 N. E) 976 N.

A tractor T is pulling two trailers,M1 and M2,with a constant acceleration.T has a mass of 200 kg,M1 has a mass of 100 kg,and M2 has a mass of 150 kg.If the forward acceleration is 0.60 m/s2,then the horizontal force on the tractor due to the attachment to M1 is

A) 270 N backward. B) 270 N forward. C) 150 N backward. D) 150 N forward. E) 90 N forward. A) 270 N backward. B) 270 N forward. C) 150 N backward. D) 150 N forward. E) 90 N forward.

A car traveling at 3.0 m/s has a constant acceleration of 4.0 m/s2.After 2.0 seconds,the velocity is

A) 5.0 m/s. B) 7.0 m/s. C) 9.0 m/s. D) 11 m/s. E) 13 m/s. A) 5.0 m/s. B) 7.0 m/s. C) 9.0 m/s. D) 11 m/s. E) 13 m/s.

A tractor T is pulling a trailer M with a constant acceleration.If the forward acceleration is 1.5 m/s2 and M = 400 kg and T = 500 kg,then the force on the tractor due to the trailer is

A) 600 N backward. B) 450 N backward. C) 200 N forward. D) 35 N forward. E) 0. A) 600 N backward. B) 450 N backward. C) 200 N forward. D) 35 N forward. E) 0.

Two masses are connected by a cord that passes over a pulley as shown in the figure.The pulley and cord have negligible mass and m1 (2.0 kg)moves on a horizontal surface without friction,m2 (2.0 kg)is suspended vertically.What is the acceleration of m1?

A) 3.9 m/s2 B) 12 m/s2 C) 6.0 m/s2 D) 4.9 m/s2 A) 3.9 m/s2 B) 12 m/s2 C) 6.0 m/s2 D) 4.9 m/s2

A tractor of mass M1 = 2,000 kg is pulling a trailer of mass M2 = 5,000 kg.If the tractor-trailer is accelerated at 2.0 m/s2,then the tension in the trailer hitch that connects the trailer to the tractor is

A) 6,000 N. B) 8,000 N. C) 9,000 N. D) 10,000 N. E) 11,000 N. A) 6,000 N. B) 8,000 N. C) 9,000 N. D) 10,000 N. E) 11,000 N.

Exam 3: Acceleration and Newtons Second Law of Motion

A runner starts from rest and with an acceleration of 2.0 m/s² travels a distance of 12 meters.The velocity of the runner at the end of the distance is

(Multiple Choice)

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Question 41

Two masses are connected by a cord that passes over a pulley as shown in the figure.The pulley and the cord have negligible mass and m₂ (6.0 kg)moves on a horizontal surface with a coefficient of friction of 0.5,m₁ (2.0 kg)is suspended vertically.What is the acceleration of m₂?

(Multiple Choice)

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Question 42

An 80.0 kg person is riding in an elevator that is accelerating at 2.40 m/s² downward.The apparent weight of the 80.0 kg person measured on a scale in the elevator is

(Multiple Choice)

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Question 43

The velocity of an airplane with respect to the ground is 2.00 $\times$ 10² m/s at an angle of 30.0 degrees NORTH of EAST.The velocity of the airplane with respect to the air is 1.50 $\times$ 10² m/s at an angle of 60.0 degrees NORTH of EAST.What is the velocity of the air with respect to the ground?

(Multiple Choice)

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Question 44

Which of the following specifications would allow you to precisely meet someone for an appointment?

(Multiple Choice)

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Question 45

The figure is a graph of the vertical velocity versus time for an elevator.Solve graphically for the height of the elevator above the starting point at t = 20 s.

(Multiple Choice)

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Question 46

A tractor T is pulling a trailer M with a constant velocity.If the velocity is 20 m/s and M = 200 kg and T = 500 kg,then the force on the trailer due to the tractor is

(Multiple Choice)

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Question 47

A tractor T is pulling two trailers,M₁ and M₂,with a constant acceleration.T has a mass of 200 kg,M₁ has a mass of 100 kg,and M₂ has a mass of 150 kg.If the forward acceleration is 0.60 m/s²,then the horizontal force on the tractor due to the attachment to M₁ is

(Multiple Choice)

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Question 48

A car traveling at 3.0 m/s has a constant acceleration of 4.0 m/s².After 2.0 seconds,the velocity is

(Multiple Choice)

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Question 49

The velocity of a boat with respect to the water is 4.0 m/s at an angle of 30.0 degrees NORTH of WEST.The velocity of the water with respect to the ground is 8.0 m/s at an angle of 45 degrees SOUTH of EAST.What is the velocity of the boat with respect to the ground?

(Multiple Choice)

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Question 50

You drive five blocks due north,five blocks due east,and another two blocks due north.What is the magnitude of your displacement?

(Multiple Choice)

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Question 51

A beetle runs an erratic pattern on a square kitchen table that is 1.5 m on a side.The sides are arranged along the directions North/South and East/West.If he begins at the Southwest corner,and travels along one side to the adjacent corner in 20.0 s.He then turns north,and reaches the Northeast corner 12.5 s later.What is the magnitude of his average velocity for the whole trip?

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Question 52

A 78.0 kg object is travelling due North at 15.2 m/s,and experiences a constant net force of 1.72 kN toward the South.How long will it take to stop under the influence of this force?

(Multiple Choice)

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Question 53

The interstate on-ramp is 5.5 km West of your home,and on leaving for grandmother's house you are only able to accomplish an average velocity of 38 km/hr between your home and the on-ramp.At the on-ramp,you wait for traffic,for 2.0 min - and then are able to proceed toward grandmother's house.If you wish to arrive there,which is 15 km South of the on-ramp,over a river and through some woods,having achieved an average velocity of 42 km/hr,how fast do you need to drive south on the interstate highway?

(Multiple Choice)

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Question 54

If an object is located 20 m to the right of the origin at 1:00 PM,and later the object is located 30 m to the right of the origin at 2:00 PM,then the displacement from 1:00 PM to 2:00 PM is

(Multiple Choice)

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Question 55

The velocity of the air with respect to the ground is 50.0 m/s at an angle of 30.0 degrees NORTH of EAST.The velocity of the airplane with respect to the air is 150 m/s at an angle of 60.0 degrees NORTH of EAST.What is the velocity of the airplane with respect to the ground?

(Multiple Choice)

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Question 56

A tractor T is pulling a trailer M with a constant acceleration.If the forward acceleration is 1.5 m/s² and M = 400 kg and T = 500 kg,then the force on the tractor due to the trailer is

(Multiple Choice)

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Question 57

Two masses are connected by a cord that passes over a pulley as shown in the figure.The pulley and cord have negligible mass and m₁ (2.0 kg)moves on a horizontal surface without friction,m₂ (2.0 kg)is suspended vertically.What is the acceleration of m₁?

(Multiple Choice)

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Question 58

A tractor of mass M₁ = 2,000 kg is pulling a trailer of mass M₂ = 5,000 kg.If the tractor-trailer is accelerated at 2.0 m/s²,then the tension in the trailer hitch that connects the trailer to the tractor is

(Multiple Choice)

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Question 59

A car travels a distance of 100 km in 2.00 hours.It then travels an additional distance of 60.0 km in 1.00 hour.The average speed of the car for the entire trip is

(Multiple Choice)

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Question 60

Showing 41 - 60 of 79

Exam 3: Acceleration and Newtons Second Law of Motion

A runner starts from rest and with an acceleration of 2.0 m/s2 travels a distance of 12 meters.The velocity of the runner at the end of the distance is

Two masses are connected by a cord that passes over a pulley as shown in the figure.The pulley and the cord have negligible mass and m2 (6.0 kg)moves on a horizontal surface with a coefficient of friction of 0.5,m1 (2.0 kg)is suspended vertically.What is the acceleration of m2?

An 80.0 kg person is riding in an elevator that is accelerating at 2.40 m/s2 downward.The apparent weight of the 80.0 kg person measured on a scale in the elevator is

Which of the following specifications would allow you to precisely meet someone for an appointment?

The figure is a graph of the vertical velocity versus time for an elevator.Solve graphically for the height of the elevator above the starting point at t = 20 s.

A tractor T is pulling a trailer M with a constant velocity.If the velocity is 20 m/s and M = 200 kg and T = 500 kg,then the force on the trailer due to the tractor is

A tractor T is pulling two trailers,M1 and M2,with a constant acceleration.T has a mass of 200 kg,M1 has a mass of 100 kg,and M2 has a mass of 150 kg.If the forward acceleration is 0.60 m/s2,then the horizontal force on the tractor due to the attachment to M1 is

A car traveling at 3.0 m/s has a constant acceleration of 4.0 m/s2.After 2.0 seconds,the velocity is

The velocity of a boat with respect to the water is 4.0 m/s at an angle of 30.0 degrees NORTH of WEST.The velocity of the water with respect to the ground is 8.0 m/s at an angle of 45 degrees SOUTH of EAST.What is the velocity of the boat with respect to the ground?

You drive five blocks due north,five blocks due east,and another two blocks due north.What is the magnitude of your displacement?

A 78.0 kg object is travelling due North at 15.2 m/s,and experiences a constant net force of 1.72 kN toward the South.How long will it take to stop under the influence of this force?

If an object is located 20 m to the right of the origin at 1:00 PM,and later the object is located 30 m to the right of the origin at 2:00 PM,then the displacement from 1:00 PM to 2:00 PM is

The velocity of the air with respect to the ground is 50.0 m/s at an angle of 30.0 degrees NORTH of EAST.The velocity of the airplane with respect to the air is 150 m/s at an angle of 60.0 degrees NORTH of EAST.What is the velocity of the airplane with respect to the ground?

A tractor T is pulling a trailer M with a constant acceleration.If the forward acceleration is 1.5 m/s2 and M = 400 kg and T = 500 kg,then the force on the tractor due to the trailer is

Two masses are connected by a cord that passes over a pulley as shown in the figure.The pulley and cord have negligible mass and m1 (2.0 kg)moves on a horizontal surface without friction,m2 (2.0 kg)is suspended vertically.What is the acceleration of m1?

A tractor of mass M1 = 2,000 kg is pulling a trailer of mass M2 = 5,000 kg.If the tractor-trailer is accelerated at 2.0 m/s2,then the tension in the trailer hitch that connects the trailer to the tractor is

A car travels a distance of 100 km in 2.00 hours.It then travels an additional distance of 60.0 km in 1.00 hour.The average speed of the car for the entire trip is

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A runner starts from rest and with an acceleration of 2.0 m/s² travels a distance of 12 meters.The velocity of the runner at the end of the distance is

Two masses are connected by a cord that passes over a pulley as shown in the figure.The pulley and the cord have negligible mass and m₂ (6.0 kg)moves on a horizontal surface with a coefficient of friction of 0.5,m₁ (2.0 kg)is suspended vertically.What is the acceleration of m₂?

An 80.0 kg person is riding in an elevator that is accelerating at 2.40 m/s² downward.The apparent weight of the 80.0 kg person measured on a scale in the elevator is

A tractor T is pulling two trailers,M₁ and M₂,with a constant acceleration.T has a mass of 200 kg,M₁ has a mass of 100 kg,and M₂ has a mass of 150 kg.If the forward acceleration is 0.60 m/s²,then the horizontal force on the tractor due to the attachment to M₁ is

A car traveling at 3.0 m/s has a constant acceleration of 4.0 m/s².After 2.0 seconds,the velocity is

A tractor T is pulling a trailer M with a constant acceleration.If the forward acceleration is 1.5 m/s² and M = 400 kg and T = 500 kg,then the force on the tractor due to the trailer is

Two masses are connected by a cord that passes over a pulley as shown in the figure.The pulley and cord have negligible mass and m₁ (2.0 kg)moves on a horizontal surface without friction,m₂ (2.0 kg)is suspended vertically.What is the acceleration of m₁?

A tractor of mass M₁ = 2,000 kg is pulling a trailer of mass M₂ = 5,000 kg.If the tractor-trailer is accelerated at 2.0 m/s²,then the tension in the trailer hitch that connects the trailer to the tractor is