1.7-m-high bulding. the block is 14.7 m above the ground, a man, 1.91 m tall, looks...
A cement block accidentally falls from rest from the ledge of a 53.4-m-high building. When the block is 14.2 m above the ground, a man, 1.91 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way?
A cement block accidentally falls from rest from the ledge of a 68.2-m-high building. When the block is 18.8 m above the ground, a man, 1.80 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way?
A cement block accidentally falls from rest from the ledge of a 64.7-m-high building. When the block is 18.2 m above the ground, a man, 2.00 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way?
A cement block accidentally falls from rest from the ledge of a 77.5-m-high building. When the block is 10.2 m above the ground, a man, 1.90 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way?
Chapter 02, Problem 61 Chalkboard Video A cement block accidentally falls from rest from the ledge of a 82.6-m-high building. When the block is 11.3 m above the ground, a man, 1.90 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way? Number the tolerance is +/-2% Units
Please explain Your answer is partially correct. Try again. A cement block accidentally falls from rest from the ledge of a 53.2-m-high building. When the block is 13.6 m above the ground, a man, 2.10 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way? Number IL 405 Units s nceis +1.2%.
2. A water balloon is thrown upward from a window 25 m above the ground and hits the ground 2.95 s later. What's the maximum height above the window that the balloon reaches? a) 3.77 m b) 2.59 m c) 2.21 m d ) 1.82 m e) 1.17 m 400 m 3. A student who can swim with a speed of 2.5 m/s in still water wants to get to the other side of a 400 m wide river whose...
Problem #4 - A small 50-g object starts at the bottom of a 1.7-m long frictionless ramp that is inclined 37° above the horizontal. The object is then given a quick kick such that its speed after the kick is 3.2 m/s. A. Sketch the situation. Choose an origin and coordinate axes. Write down all knowns and unknowns. B. How far up the ramp does the object go before coming back down? C. How long does it take the object...
a. An attacker at the base of a castle wall 3.65 m high throws a rock straight up with speed 7.40 m/s from a height of 1.55 m above the ground. Will the rock reach the top of the wall? If so, how fast is it moving when it reaches the top. If not, what initial speed must it have to reach the top? b. To defend the castle, a rock is thrown downwards from the top of the wall with...
c) 353 J 13. A 200 kg roller coaster starts from 50 m above the ground. (a) 5 It falls toward the ground with out any friction then once it ((c) reaches the ground level, the brakes are applied over 30 m 19. A in order to bring the coaster to a complete stop. How much ms-1 work is done by the brakes? 20 N (a) 10 x10 J (c)-10 x10 J 14. A 7 kg ball is dropped from...