The shooter stands on the roof of a 20 m height building. He wants to shoot a target which is on the ground and 50 m away from the base of the building. a) What should be the initial speed of the ball, if the ball is thrown horizontally. b) What should be the initial speed of the ball, if the ball the ball is thrown at an angle of 45° to the horizontal. 20m 50m
The shooter stands on the roof of a 20 m height building. He wants to shoot a target which is on the ground and 50 m away from the base of the building. a) What should be the initial speed of the ball, if the ball is thrown horizontally. b) What should be the initial speed of the ball, if the ball the ball is thrown at an angle of 45° to the horizontal. 20m 50m
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: Motion In Two Dimensions
Section: Chapter Questions
Problem 15P: A home run is hit in such a way that the baseball just clears a wall 21.0 m high, located 130 m from...
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![The shooter stands on the roof of a 20 m height building. He wants to shoot a target
which is on the ground and 50 m away from the base of the building.
a) What should be the initial speed of the ball, if the ball is thrown horizontally.
b) What should be the initial speed of the ball, if the ball the ball is thrown at an
angle of 45° to the horizontal.
20m
50m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F399ec67e-a2f9-42ad-9d62-671533a5b5e5%2Ff611d029-b22b-40d6-8b8b-6d7870cbfe80%2Fsuw143i_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The shooter stands on the roof of a 20 m height building. He wants to shoot a target
which is on the ground and 50 m away from the base of the building.
a) What should be the initial speed of the ball, if the ball is thrown horizontally.
b) What should be the initial speed of the ball, if the ball the ball is thrown at an
angle of 45° to the horizontal.
20m
50m
![A ball is thrown from the ground into the air at a certain angle. If at a height of 3 m,
the velocity is v = 41 + 3j m/s;
a) Find the velocity of the ball and the angle of the projection of the ball,
b) What is the maximum height reached by the ball?
c) What is the horizontal displacement of the ball?
d) What is the ball's time of flight?
houx
ha 3 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F399ec67e-a2f9-42ad-9d62-671533a5b5e5%2Ff611d029-b22b-40d6-8b8b-6d7870cbfe80%2Ffwo4u7b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A ball is thrown from the ground into the air at a certain angle. If at a height of 3 m,
the velocity is v = 41 + 3j m/s;
a) Find the velocity of the ball and the angle of the projection of the ball,
b) What is the maximum height reached by the ball?
c) What is the horizontal displacement of the ball?
d) What is the ball's time of flight?
houx
ha 3 m
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