A stone is thrown with an initial speed of 15 m/s at an angle of 53 $\degree$ above the horizontal from the top of a 35 m building.If g = 9.8 m/s2 and air resistance is negligible,what is the magnitude of the horizontal displacement of the rock?

A) 38 m B) 46 m C) 66 m D) 90 m A) 38 m B) 46 m C) 66 m D) 90 m

Exam 3: Vectors and Two-Dimensional Motion

A ball is rolled horizontally off a table with an initial speed of 0.24 m/s.A stop watch measures the ball's trajectory time from table to the floor to be 0.30 s.How far away from the table does the ball land? (g = 9.8 m/s² and air resistance is negligible)

(Multiple Choice)

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Question 61

Vector 1 is 7 units long and is at 70 $\degree$ .Vector 2 is 5 units long and is at 225 $\degree$ .Vector 3 is 3 units long and is at 150 $\degree$ .Which vector has equal magnitude components?

(Multiple Choice)

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Question 62

Arvin the Ant is on a picnic table.He travels 30 cm eastward,then 25 cm northward,and finally 15 cm westward.What is the magnitude of Arvin's net displacement?

(Multiple Choice)

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Question 63

Vector $Vector is 3.0 units in length and points along the positive x-axis;vector is 4.0 units in length and points along a direction 150 \degree from the positive x-axis.What is the magnitude of the resultant when vectors and are added?$ is 3.0 units in length and points along the positive x-axis;vector $Vector is 3.0 units in length and points along the positive x-axis;vector is 4.0 units in length and points along a direction 150 \degree from the positive x-axis.What is the magnitude of the resultant when vectors and are added?$ is 4.0 units in length and points along a direction 150 $\degree$ from the positive x-axis.What is the magnitude of the resultant when vectors $Vector is 3.0 units in length and points along the positive x-axis;vector is 4.0 units in length and points along a direction 150 \degree from the positive x-axis.What is the magnitude of the resultant when vectors and are added?$ and $Vector is 3.0 units in length and points along the positive x-axis;vector is 4.0 units in length and points along a direction 150 \degree from the positive x-axis.What is the magnitude of the resultant when vectors and are added?$ are added?

(Multiple Choice)

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Question 64

Vector $Vector is 3.0 units in length and points along the positive x-axis;vector is 4.0 units in length and points along a direction 150 \degree from the positive x-axis.What is the direction of the resultant with respect to the positive x-axis?$ is 3.0 units in length and points along the positive x-axis;vector $Vector is 3.0 units in length and points along the positive x-axis;vector is 4.0 units in length and points along a direction 150 \degree from the positive x-axis.What is the direction of the resultant with respect to the positive x-axis?$ is 4.0 units in length and points along a direction 150 $\degree$ from the positive x-axis.What is the direction of the resultant with respect to the positive x-axis?

(Multiple Choice)

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Question 65

The highest mountain on Mars is Olympus Mons,rising 22 000 meters above the Martian surface.If we were to throw an object horizontally off the mountain top,how long would it take to reach the surface? (Ignore atmospheric drag forces and use g_Mars = 3.72 m/s². )

(Multiple Choice)

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Question 66

The following force vectors act on an object: i)50.0 newtons at 45.0 $\degree$ north of east and ii)25.0 newtons at 30.0 $\degree$ south of east.Which of the following represents the magnitude of the resultant and its angle relative to the easterly direction?

(Multiple Choice)

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Question 67

A projectile is fired at an angle of elevation of 60 $\degree$ .Neglecting air resistance,what are possible angles in flight between the acceleration vector and the velocity vector?

(Multiple Choice)

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Question 68

When three vectors are added graphically and form a closed triangle,the largest enclosed angle between any two of the vectors cannot be greater than:

(Multiple Choice)

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Question 69

Wiley Coyote has missed the elusive road runner once again.This time,he leaves the edge of the cliff at 50.0 m/s horizontal velocity.If the canyon is 100 m deep,how far from his starting point at the edge of the cliff does the coyote land?

(Multiple Choice)

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Question 70

A river flows due east at 3.0 m/s.A boat crosses the 300-m-wide river by maintaining a constant velocity of 10 m/s due north relative to the water.If no correction is made for the current,how far downstream does the boat move by the time it reaches the far shore?

(Multiple Choice)

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Question 71

Which of the following is an example of a vector quantity?

(Multiple Choice)

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Question 72

A jogger runs halfway around a circular path with a radius of 60 m.What,respectively,are the magnitude of the displacement and the distance jogged?

(Multiple Choice)

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Question 73

A stone is thrown with an initial speed of 15 m/s at an angle of 53 $\degree$ above the horizontal from the top of a 35 m building.If g = 9.8 m/s² and air resistance is negligible,what is the magnitude of the horizontal displacement of the rock?

(Multiple Choice)

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Question 74

Showing 61 - 74 of 74

Exam 3: Vectors and Two-Dimensional Motion

A ball is rolled horizontally off a table with an initial speed of 0.24 m/s.A stop watch measures the ball's trajectory time from table to the floor to be 0.30 s.How far away from the table does the ball land? (g = 9.8 m/s2 and air resistance is negligible)

Vector 1 is 7 units long and is at 70 °\degree° .Vector 2 is 5 units long and is at 225 °\degree° .Vector 3 is 3 units long and is at 150 °\degree° .Which vector has equal magnitude components?

Arvin the Ant is on a picnic table.He travels 30 cm eastward,then 25 cm northward,and finally 15 cm westward.What is the magnitude of Arvin's net displacement?

Vector is 3.0 units in length and points along the positive x-axis;vector is 4.0 units in length and points along a direction 150 °\degree° from the positive x-axis.What is the magnitude of the resultant when vectors and are added?

Vector is 3.0 units in length and points along the positive x-axis;vector is 4.0 units in length and points along a direction 150 °\degree° from the positive x-axis.What is the direction of the resultant with respect to the positive x-axis?

The highest mountain on Mars is Olympus Mons,rising 22 000 meters above the Martian surface.If we were to throw an object horizontally off the mountain top,how long would it take to reach the surface? (Ignore atmospheric drag forces and use gMars = 3.72 m/s2. )

The following force vectors act on an object: i)50.0 newtons at 45.0 °\degree° north of east and ii)25.0 newtons at 30.0 °\degree° south of east.Which of the following represents the magnitude of the resultant and its angle relative to the easterly direction?

A projectile is fired at an angle of elevation of 60 °\degree° .Neglecting air resistance,what are possible angles in flight between the acceleration vector and the velocity vector?

When three vectors are added graphically and form a closed triangle,the largest enclosed angle between any two of the vectors cannot be greater than:

Wiley Coyote has missed the elusive road runner once again.This time,he leaves the edge of the cliff at 50.0 m/s horizontal velocity.If the canyon is 100 m deep,how far from his starting point at the edge of the cliff does the coyote land?

A river flows due east at 3.0 m/s.A boat crosses the 300-m-wide river by maintaining a constant velocity of 10 m/s due north relative to the water.If no correction is made for the current,how far downstream does the boat move by the time it reaches the far shore?

Which of the following is an example of a vector quantity?

A jogger runs halfway around a circular path with a radius of 60 m.What,respectively,are the magnitude of the displacement and the distance jogged?

A stone is thrown with an initial speed of 15 m/s at an angle of 53 °\degree° above the horizontal from the top of a 35 m building.If g = 9.8 m/s2 and air resistance is negligible,what is the magnitude of the horizontal displacement of the rock?

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A ball is rolled horizontally off a table with an initial speed of 0.24 m/s.A stop watch measures the ball's trajectory time from table to the floor to be 0.30 s.How far away from the table does the ball land? (g = 9.8 m/s² and air resistance is negligible)

Vector 1 is 7 units long and is at 70 $\degree$ .Vector 2 is 5 units long and is at 225 $\degree$ .Vector 3 is 3 units long and is at 150 $\degree$ .Which vector has equal magnitude components?

The highest mountain on Mars is Olympus Mons,rising 22 000 meters above the Martian surface.If we were to throw an object horizontally off the mountain top,how long would it take to reach the surface? (Ignore atmospheric drag forces and use g_Mars = 3.72 m/s². )

The following force vectors act on an object: i)50.0 newtons at 45.0 $\degree$ north of east and ii)25.0 newtons at 30.0 $\degree$ south of east.Which of the following represents the magnitude of the resultant and its angle relative to the easterly direction?

A projectile is fired at an angle of elevation of 60 $\degree$ .Neglecting air resistance,what are possible angles in flight between the acceleration vector and the velocity vector?

A stone is thrown with an initial speed of 15 m/s at an angle of 53 $\degree$ above the horizontal from the top of a 35 m building.If g = 9.8 m/s² and air resistance is negligible,what is the magnitude of the horizontal displacement of the rock?