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1. If a speedometer is attached to a freely falling object, by how much speed would the increase be after ea second? O m/s b. 9.8 m/s c. 10 m/s d. 20 m/s a. 2. A ball is hit vertically upward by a playing kid, what will be the balls acceleration after 1 second? a. 0 3. A volleyball is tossed vertically upward with an initial velocity of 5 m/s and was caught back at the same I when it was thrown. What is the velocity of the ball at that point? a. 0 m/s 4. A ball is hit at an angle of 30 °. At what point in its trajectory does this projectile have the least speed? a. At the highest point in its flight b. Halfway between the ground and the highest point c. Just after it was launched d. Just before it hits the ground 5. What happens when a ball is tossed and it reaches its highest point? a. Both its velocity and its acceleration are zero b. Its velocity is zero c. Its velocity is not zero and its acceleration is zero d. Neither its velocity nor its acceleration is zero 6. At what angle should a water hose be aimed in order for the water to land with the greatest horizontal ran а. 0° 7. What do you call the horizontal displacement traveled by a projectile? а. Height 8. The smaller the vertical distance (dy), the a. Shorter the time b. Longer the time b. 1 m/s? c. 9.8 m/s? d. -9.8 m/s? b. -5 m/s c. 9.8 m/s d. -9.8 m/s b. 30 ° c. 45 ° d. 60 ° b. range c. trajectory d. width c. smaller the range d. larger the range

1. If a speedometer is attached to a freely falling object, by how much speed would the increase be after ea second? O m/s b. 9.8 m/s c. 10 m/s d. 20 m/s a. 2. A ball is hit vertically upward by a playing kid, what will be the balls acceleration after 1 second? a. 0 3. A volleyball is tossed vertically upward with an initial velocity of 5 m/s and was caught back at the same I when it was thrown. What is the velocity of the ball at that point? a. 0 m/s 4. A ball is hit at an angle of 30 °. At what point in its trajectory does this projectile have the least speed? a. At the highest point in its flight b. Halfway between the ground and the highest point c. Just after it was launched d. Just before it hits the ground 5. What happens when a ball is tossed and it reaches its highest point? a. Both its velocity and its acceleration are zero b. Its velocity is zero c. Its velocity is not zero and its acceleration is zero d. Neither its velocity nor its acceleration is zero 6. At what angle should a water hose be aimed in order for the water to land with the greatest horizontal ran а. 0° 7. What do you call the horizontal displacement traveled by a projectile? а. Height 8. The smaller the vertical distance (dy), the a. Shorter the time b. Longer the time b. 1 m/s? c. 9.8 m/s? d. -9.8 m/s? b. -5 m/s c. 9.8 m/s d. -9.8 m/s b. 30 ° c. 45 ° d. 60 ° b. range c. trajectory d. width c. smaller the range d. larger the range

Physics for Scientists and Engineers, Technology Update (No access codes included)
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 2.37P: A speedboat travels in a straight line and increases in speed uniformly from i = 20.0 m/s to f =...
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1. If a speedometer is attached to a freely falling object, by how much speed would the increase be after each second? а. О m/s 2. A ball is hit vertically upward by a playing kid, what will be the balls acceleration after 1 second? a. 0 3. A volleyball is tossed vertically upward with an initial velocity of 5 m/s and was caught back at the same level as when it was thrown. What is the velocity of the ball at that point? a. 0 m/s b. -5 m/s 4. A ball is hit at an angle of 30 °. At what point in its trajectory does this projectile have the least speed? a. At the highest point in its flight b. Halfway between the ground and the highest point c. Just after it was launched d. Just before it hits the ground 5. What happens when a ball is tossed and it reaches its highest point? a. Both its velocity and its acceleration are zero b. Its velocity is zero c. Its velocity is not zero and its acceleration is zero d. Neither its velocity nor its acceleration is zero 6. At what angle should a water hose be aimed in order for the water to land with the greatest horizontal range? a. 0° 7. What do you call the horizontal displacement traveled by a projectile? a. Height 8. The smaller the vertical distance (dy), the b. 9.8 m/s c. 10 m/s d. 20 m/s b. 1 m/s? c. 9.8 m/s? d. -9.8 m/s? c. 9.8 m/s d. -9.8 m/s b. 30 ° c. 45 ° d. 60 ° b. range c. trajectory d. width C. smaller the range d. larger the range a. Shorter the time b. Longer the time 9. The horizontal component of the velocity in a projectile motion is a. Changing b. constant c. independent d. increases with time
Transcribed Image Text:1. If a speedometer is attached to a freely falling object, by how much speed would the increase be after each second? а. О m/s 2. A ball is hit vertically upward by a playing kid, what will be the balls acceleration after 1 second? a. 0 3. A volleyball is tossed vertically upward with an initial velocity of 5 m/s and was caught back at the same level as when it was thrown. What is the velocity of the ball at that point? a. 0 m/s b. -5 m/s 4. A ball is hit at an angle of 30 °. At what point in its trajectory does this projectile have the least speed? a. At the highest point in its flight b. Halfway between the ground and the highest point c. Just after it was launched d. Just before it hits the ground 5. What happens when a ball is tossed and it reaches its highest point? a. Both its velocity and its acceleration are zero b. Its velocity is zero c. Its velocity is not zero and its acceleration is zero d. Neither its velocity nor its acceleration is zero 6. At what angle should a water hose be aimed in order for the water to land with the greatest horizontal range? a. 0° 7. What do you call the horizontal displacement traveled by a projectile? a. Height 8. The smaller the vertical distance (dy), the b. 9.8 m/s c. 10 m/s d. 20 m/s b. 1 m/s? c. 9.8 m/s? d. -9.8 m/s? c. 9.8 m/s d. -9.8 m/s b. 30 ° c. 45 ° d. 60 ° b. range c. trajectory d. width C. smaller the range d. larger the range a. Shorter the time b. Longer the time 9. The horizontal component of the velocity in a projectile motion is a. Changing b. constant c. independent d. increases with time
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