4. A movie stunt driver on a motorcycle speeds horizontally off a 52.0-m-high cliff. How fast must the motorcycle leave the cliff top to land on level ground below, 89.0 m from the base of the cliff where the cameras are? Ignore air resistance.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter4: Two-and-three Dimensional Motion
Section: Chapter Questions
Problem 60PQ: A golfer hits his approach shot at an angle of 50.0, giving the ball an initial speed of 38.2 m/s...
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ASSESSMENT #5 (2nd Quarter)
PROJECTILE MOTION
1. A placekicker kicks a football at an angle of 52.5* above the horizontal axis. The initial speed of the ball is 33 m/s.
Ignore air resistance, find the maximum height that the ball attains.
2. A baseball player hits a home run, and the ball lands in the left-field seats, 7.5 m above the point at which it was hit. It
lands with a velocity of 36 m/s at an angle of 28 below the horizontal. Ignoring air resistance, find the magnitude and
direction of the initial velocity with which the ball leaves the bat.
3. A projectile is fired from the top of a cliff 302 ft high with a velocity of 1.41x10 fps directed 45°. Find the range on the
horizontal plane through the base of the cliff.
4. A movie stunt driver on a motorcycle speeds horizontally off a 52.0-m-high cliff. How fast must the motorcycle leave the
cliff top to land on level ground below, 89.0 m from the base of the cliff where the cameras are? Ignore air resistance.
5. A boy on a small hill aims his water-balloon slingshot horizontally, straight at a second boy hanging from a tree branch
a distance d away. At the instant the water balloon is released, the second boy lets go and falls from the tree, hoping to
avoid being hit. Show that he made the wrong move. (He hadn't studied physics yet.) Ignore air resistance. EXPLAIN IN
YOUR OWN WORDS AND DO NOT COPY FROM
the submission.
UR CLASSMATES. I will know if you do so. Prepare to explain during
Transcribed Image Text:ASSESSMENT #5 (2nd Quarter) PROJECTILE MOTION 1. A placekicker kicks a football at an angle of 52.5* above the horizontal axis. The initial speed of the ball is 33 m/s. Ignore air resistance, find the maximum height that the ball attains. 2. A baseball player hits a home run, and the ball lands in the left-field seats, 7.5 m above the point at which it was hit. It lands with a velocity of 36 m/s at an angle of 28 below the horizontal. Ignoring air resistance, find the magnitude and direction of the initial velocity with which the ball leaves the bat. 3. A projectile is fired from the top of a cliff 302 ft high with a velocity of 1.41x10 fps directed 45°. Find the range on the horizontal plane through the base of the cliff. 4. A movie stunt driver on a motorcycle speeds horizontally off a 52.0-m-high cliff. How fast must the motorcycle leave the cliff top to land on level ground below, 89.0 m from the base of the cliff where the cameras are? Ignore air resistance. 5. A boy on a small hill aims his water-balloon slingshot horizontally, straight at a second boy hanging from a tree branch a distance d away. At the instant the water balloon is released, the second boy lets go and falls from the tree, hoping to avoid being hit. Show that he made the wrong move. (He hadn't studied physics yet.) Ignore air resistance. EXPLAIN IN YOUR OWN WORDS AND DO NOT COPY FROM the submission. UR CLASSMATES. I will know if you do so. Prepare to explain during
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