A CD has a diameter of 12.0 cm.If the CD starts from rest and has a constant angular acceleration of 2.0 rad/sec2,then the tangential acceleration of a point 3.0 cm from the center of the CD after 3.0 sec is

A) 0.40 m/s2. B) 0.25 m/s2. C) 0.10 m/s2. D) 0.06 m/s2. E) 0.03 m/s2. A) 0.40 m/s2. B) 0.25 m/s2. C) 0.10 m/s2. D) 0.06 m/s2. E) 0.03 m/s2.

A CD has a diameter of 12.0 cm.If the CD starts from rest and has a constant angular acceleration of 2.00 rad/sec2,then the centripetal acceleration of a point 3.00 cm from the center of the CD after 3.00 sec is

A) 0.950 m/s2. B) 1.08 m/s2. C) 1.25 m/s2. D) 1.58 m/s2. E) 1.83 m/s2. A) 0.950 m/s2. B) 1.08 m/s2. C) 1.25 m/s2. D) 1.58 m/s2. E) 1.83 m/s2.

Exam 5: Circular Motion

A 4,000 kg satellite is traveling in a circular orbit 200 km above the surface of the Earth.A 3.00 gram marble is dropped inside the satellite.What is the acceleration of the marble as viewed by the observers on the Earth? (Me = 5.98 $\times$ 10²⁴ kg,Re = 6.37 $\times$ 10⁶ m,G = 6.67 $\times$ 10^-11 N.m²/kg²)

(Multiple Choice)

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Question 61

A CD has a diameter of 12.0 cm.If the CD starts from rest and has a constant angular acceleration of 2.0 rad/sec²,then the tangential acceleration of a point 3.0 cm from the center of the CD after 3.0 sec is

(Multiple Choice)

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(36)

Question 62

A conical pendulum is constructed with a string 2.00 m in length.The pendulum is set in horizontal circular path the vertical axis.If the angle the string makes with the vertical axis is 45.0 degrees,then the angular velocity of the conical pendulum is

(Multiple Choice)

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Question 63

A CD has a diameter of 12.0 cm.If the CD is rotating at a constant angular speed of 200 revolutions per minute,then the tangential velocity of a point on the circumference is

(Multiple Choice)

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Question 64

An object is moving in a circular path with a radius of 5.00 m.If the object moves through an angle of 270 degrees,then the tangential distance traveled by the object is

(Multiple Choice)

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Question 65

A 0.500 kg stone is moving in a vertical circular path attached to a string that is 75.0 cm long.The stone is moving around the path at a constant frequency of 1.50 rev/sec.At the moment the stone is overhead,the stone is released.The velocity of the stone when it leaves the circular path is

(Multiple Choice)

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(41)

Question 66

A 5,000 kg satellite is orbiting the Earth in a circular path.The height of the satellite above the surface of the Earth is 800 km.The angular velocity of the satellite as it orbits the Earth is (Me = 5.98 $\times$ 10²⁴ kg, Re = 6.37 $\times$ 10⁶ m, G = 6.67 $\times$ 10^-11 N.m²/kg²)

(Multiple Choice)

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(40)

Question 67

A CD has a diameter of 12.0 cm.If the CD is rotating at a constant angular velocity of 20.0 radians per seconds,then the period of the rotational motion is

(Multiple Choice)

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(39)

Question 68

A car travels around an unbanked curve at 17 m/s.If the static friction coefficient between the tires and the road is 0.45,what is the minimum radius curve that the car can take at this speed without slipping?

(Multiple Choice)

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Question 69

A 4.00 kg mass is moving in a circular path of radius 3.20 m with a constant tangential velocity of 6.20 m/sec.The centripetal force on the mass is

(Multiple Choice)

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Question 70

A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.00 rad/sec² acquires an angular velocity of 5.00 rad/sec.The CD continues rotating at 5.00 rad/sec for 15.0 seconds and then slows to a stop in 12.0 second with a constant angular deceleration.What is the angular distance traveled by a point 4.00 cm from the center,at the time 10.0 seconds from the start?

(Multiple Choice)

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Question 71

A 35.0 kg child swings on a rope with a length of 6.50 m that is hanging from a tree.At the bottom of the swing the child is moving at a speed of 4.20 m/s.What is the tension in the rope?

(Multiple Choice)

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Question 72

An object is moving in a circular path of radius R.If the object moves through an angle of 30.0 degrees,then the angle is

(Multiple Choice)

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Question 73

An object is moving in a circular path of radius 4.00 m.If the object moves through an angle of 30.0 degrees,then the tangential distance traveled by the object is

(Multiple Choice)

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Question 74

Two planets travel in circular orbits about a star.The period of planet A is T,while that of planet B is 3T.What is the ratio of the orbital radii,R_A/R_B?

(Multiple Choice)

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(40)

Question 75

An airplane flies in a semi-circular arc in order to simulate "weightlessness" for its occupants.If the radius of the semicircular path it flies is 3500 m,what is the speed at which the plane flies?

(Multiple Choice)

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Question 76

A figure skater spins at the end of her routine,and slows down with an angular acceleration of 1.2 radians per second squared.If she initially spun with a period of 0.2 seconds,how many turns does she go through while slowing to a stop?

(Multiple Choice)

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Question 77

A 5,000 kg satellite is orbiting the Earth in a geostationary orbit.The height of the satellite above the surface of the Earth is (Me = 5.98 $\times$ 10²⁴ kg, Re = 6.37 $\times$ 10⁶ m, G = 6.67 $\times$ 10^-11 N.m²/kg²)

(Multiple Choice)

4.7/5

(37)

Question 78

A CD has a diameter of 12.0 cm.If the CD starts from rest and has a constant angular acceleration of 2.00 rad/sec²,then the centripetal acceleration of a point 3.00 cm from the center of the CD after 3.00 sec is

(Multiple Choice)

4.9/5

(40)

Question 79

A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.00 rad/sec² acquires an angular velocity of 5.00 rad/sec.The CD continues rotating at 5.00 rad/sec for 15.0 seconds and then slows to a stop in 12.0 second with a constant angular deceleration.What is the angular distance traveled by a point 4.00 cm from the center,at the time 25.0 seconds from the start?

(Multiple Choice)

5.0/5

(35)

Question 80

Showing 61 - 80 of 87

Exam 5: Circular Motion

A CD has a diameter of 12.0 cm.If the CD starts from rest and has a constant angular acceleration of 2.0 rad/sec2,then the tangential acceleration of a point 3.0 cm from the center of the CD after 3.0 sec is

A conical pendulum is constructed with a string 2.00 m in length.The pendulum is set in horizontal circular path the vertical axis.If the angle the string makes with the vertical axis is 45.0 degrees,then the angular velocity of the conical pendulum is

A CD has a diameter of 12.0 cm.If the CD is rotating at a constant angular speed of 200 revolutions per minute,then the tangential velocity of a point on the circumference is

An object is moving in a circular path with a radius of 5.00 m.If the object moves through an angle of 270 degrees,then the tangential distance traveled by the object is

A 0.500 kg stone is moving in a vertical circular path attached to a string that is 75.0 cm long.The stone is moving around the path at a constant frequency of 1.50 rev/sec.At the moment the stone is overhead,the stone is released.The velocity of the stone when it leaves the circular path is

A 5,000 kg satellite is orbiting the Earth in a circular path.The height of the satellite above the surface of the Earth is 800 km.The angular velocity of the satellite as it orbits the Earth is (Me = 5.98 ×\times× 1024 kg, Re = 6.37 ×\times× 106 m, G = 6.67 ×\times× 10-11 N.m2/kg2)

A CD has a diameter of 12.0 cm.If the CD is rotating at a constant angular velocity of 20.0 radians per seconds,then the period of the rotational motion is

A car travels around an unbanked curve at 17 m/s.If the static friction coefficient between the tires and the road is 0.45,what is the minimum radius curve that the car can take at this speed without slipping?

A 4.00 kg mass is moving in a circular path of radius 3.20 m with a constant tangential velocity of 6.20 m/sec.The centripetal force on the mass is

A 35.0 kg child swings on a rope with a length of 6.50 m that is hanging from a tree.At the bottom of the swing the child is moving at a speed of 4.20 m/s.What is the tension in the rope?

An object is moving in a circular path of radius R.If the object moves through an angle of 30.0 degrees,then the angle is

An object is moving in a circular path of radius 4.00 m.If the object moves through an angle of 30.0 degrees,then the tangential distance traveled by the object is

Two planets travel in circular orbits about a star.The period of planet A is T,while that of planet B is 3T.What is the ratio of the orbital radii,RA/RB?

An airplane flies in a semi-circular arc in order to simulate "weightlessness" for its occupants.If the radius of the semicircular path it flies is 3500 m,what is the speed at which the plane flies?

A figure skater spins at the end of her routine,and slows down with an angular acceleration of 1.2 radians per second squared.If she initially spun with a period of 0.2 seconds,how many turns does she go through while slowing to a stop?

A 5,000 kg satellite is orbiting the Earth in a geostationary orbit.The height of the satellite above the surface of the Earth is (Me = 5.98 ×\times× 1024 kg, Re = 6.37 ×\times× 106 m, G = 6.67 ×\times× 10-11 N.m2/kg2)

A CD has a diameter of 12.0 cm.If the CD starts from rest and has a constant angular acceleration of 2.00 rad/sec2,then the centripetal acceleration of a point 3.00 cm from the center of the CD after 3.00 sec is

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A CD has a diameter of 12.0 cm.If the CD starts from rest and has a constant angular acceleration of 2.0 rad/sec²,then the tangential acceleration of a point 3.0 cm from the center of the CD after 3.0 sec is

A 5,000 kg satellite is orbiting the Earth in a circular path.The height of the satellite above the surface of the Earth is 800 km.The angular velocity of the satellite as it orbits the Earth is (Me = 5.98 $\times$ 10²⁴ kg, Re = 6.37 $\times$ 10⁶ m, G = 6.67 $\times$ 10^-11 N.m²/kg²)

Two planets travel in circular orbits about a star.The period of planet A is T,while that of planet B is 3T.What is the ratio of the orbital radii,R_A/R_B?

A 5,000 kg satellite is orbiting the Earth in a geostationary orbit.The height of the satellite above the surface of the Earth is (Me = 5.98 $\times$ 10²⁴ kg, Re = 6.37 $\times$ 10⁶ m, G = 6.67 $\times$ 10^-11 N.m²/kg²)

A CD has a diameter of 12.0 cm.If the CD starts from rest and has a constant angular acceleration of 2.00 rad/sec²,then the centripetal acceleration of a point 3.00 cm from the center of the CD after 3.00 sec is