Question

two balls are dropped from the roof of a 100 meter tower at the same time:

a. what is the difference in time for balls to hit ground

b. which ball will take longest to hit ground

c. what height will ball a reach ball b if ball b is dropped 1 second before a

air effects are void. balls are same size. a weighs 20 newtons. b weighs 10 newtons.

Answer #1

A ball is thrown straight up from the edge of the roof of a
building. A second ball is dropped from the roof a time of 1.17 s
later. You may ignore air resistance
A.
If the height of the building is 20.3 m, what must the initial
speed be of the first ball if both are to hit the ground at the
same time?
Express your answer in meters per second.
B.
Consider the same situation, but now let...

Two balls of the same size same volume are released from the
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velocity is zero)Ball 2 has initial velocity, v=2.0 m/s parallel to
the ground
If the ball has same mass which ball will hit the ground first?
Explain
If the balls have the same mass, which ball will hit the ground
with a higher velocity? explain
In a case where ball 1 has mass m1=0.5 kg and...

4. Free Fall from the Tower of Pisa: Had Galileo dropped a ball
from the Tower of Pisa, 185 feet above the ground, the ball’s
height above the ground t sec into the fall would have been
s=185-16t^2.
a.) What would have been the ball’s velocity and acceleration at
time t?
Velocity: _______________________ Acceleration:
___________________
b.) About how long would it have taken the ball to hit the
ground SHOW WORK!
Time: ________________ (Include three decimal places and
units

A stone is dropped vertically from the top of a tower of height
40 m. At the same time a gun is aimed directly at the stone from
the ground at a horizontal distance 30 m from the base of the tower
and fired. If the bullet from the gun is to hit the stone before it
reaches the ground, what is the minimum velocity of the bullet must
be, approximately.

A coin dropped from leaning tower of Pisa and falls from
rest.
a. What are its position and velocity after 2 seconds?
b. IF the height of the tower is 57 meters, how long does it
take to hit the
ground?

An iron cannonball and a bowling ball are dropped at the same
time from the top of a building. At the instant before the balls
hit the sidewalk, the heavier cannonball has a greater?
A.velocity.
B.aceleration.
C.kinetic energy.
D.All of these are the same for the two balls.

A 1-kg ball is released from a height of 6 m, and a 2-kg ball is
released from a height of 3 m. Air resistance is negligible as they
fall. Which of the following statements about these balls are
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Both balls will reach the ground with the same speed.
As they reach the ground, the 1-kg ball will have more kinetic
energy than the 2-kg ball because it was dropped from...

Two balls A and B of mass 2kg are launched through the air from
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ground? Your answer should complete the statement:"Ball A's final
velocity is ____ times Ball B's final velocity."

1. Two identical eggs were thrown at the same time from the top
of a building of height 100 m at a speed 20. One egg was thrown at
an angle 40° above the horizontal while another was thrown at the
same angle but below the horizontal. How long does it take for the
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Does the time difference between the eggs hitting the ground
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A 500 g soccer ball, a 600 g basketball and 550 g volleyball are
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Group of answer choices
The bullet will reach the ground first and then all the three
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