A shot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0° above the horizontal. The shot hits the ground 2.08 s later. Ignore air resistance. (a) What are the components of the shot’s acceleration while in flight? (b) What are the components of the shot’s velocity at the beginning and at the end of its trajectory? (c) How far did she throw the shot horizontally? (d) Why does the expression for R in Example 3.8 not give the correct answer for part (c)? (e) How high was the shot above the ground when she released it? (f) Draw x - t , y - t , υ x - t , and υ y - t graphs for the motion.
A shot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0° above the horizontal. The shot hits the ground 2.08 s later. Ignore air resistance. (a) What are the components of the shot’s acceleration while in flight? (b) What are the components of the shot’s velocity at the beginning and at the end of its trajectory? (c) How far did she throw the shot horizontally? (d) Why does the expression for R in Example 3.8 not give the correct answer for part (c)? (e) How high was the shot above the ground when she released it? (f) Draw x - t , y - t , υ x - t , and υ y - t graphs for the motion.
A shot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0° above the horizontal. The shot hits the ground 2.08 s later. Ignore air resistance. (a) What are the components of the shot’s acceleration while in flight? (b) What are the components of the shot’s velocity at the beginning and at the end of its trajectory? (c) How far did she throw the shot horizontally? (d) Why does the expression for R in Example 3.8 not give the correct answer for part (c)? (e) How high was the shot above the ground when she released it? (f) Draw x-t, y-t, υx-t, and υy-t graphs for the motion.
A shot putter releases the shot some distance above the level
ground with a velocity of 12.0 m/s, 51.0° above the horizontal. The shot hits the ground 2.08 s later. Ignore air resistance. (a) What are the components of the shot’s acceleration while in flight? (b) What are the components of the shot’s velocity at the beginning and at the end of its trajectory? (c) How far did she throw the shot horizontally? (d) Why does the expression for R in Example 3.8 not give the correct answer for part (c)? (e) How high was the shot above the ground when she released it? (f) Draw x-t, y-t, vx-t, and vy-t graphs for the motion
Jack Sparrow stands on top of a cliff 82.0m tall and throws a rock with an initial velocity of 28.0m/s at an angle of 15.0° below the horizontal. a) How far from the base of the cliff will rock land? b) What will be the velocity of the rock when it reaches the ground?
A rock is thrown off a vertical cliff at an angle of 65 degrees above horizontal. The cliff is 67.2 m high and the ground extends horizontally from the base. The initial speed of the rock is 24.4 m/s. Neglect air resistance.
a) How high above the ground, in meters, is the rock 2.03 s before it hits the ground?
b) How far horizontally from the cliff, in meters, is the rock 2.03 s before it hits the ground?
Chapter 3 Solutions
University Physics with Modern Physics, Volume 1 (Chs. 1-20) (14th Edition)
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