Question

you are standing on the top of the building which is 115 meters tall. you throw one ball upward at 35.0 m/s and it lands on theground some time later. you throw a second ball downward from the same building with velocity of 35.0 m/s and it also hits ground at a later time which ball will be moving faster when each hits the ground? support your answer with calculations

Answer #1

1. You throw a ball from the top of a 50 m high building at 12
m/s straight upward. The ball misses the building on the way down.
The mass of the ball is 2 kg.
Using energy considerations, how high does the ball go?
Using energy considerations, what is the magnitude of the
velocity just as it strikes the ground?
What is the work done by the force of gravity on the ball while
the ball is traveling upward?...

From the top of the same building you throw a ball upward with a
speed of of 26.0m/s
b. How much time does it take to hit the ground
c. How fast is it going just before it hits the ground

1- A student standing on top of a 170-m high building threw a
stone upward with an initial velocity of 40 m/s. Assume that
g=-9.80 m/s2. Upward direction is positive and downward is
negative.
What is the vertical location of the stone in meters, with
respect to the top of the building, after 11.0 seconds? (hint: pay
attention to the sign here!)
2- A student standing on top of a 50-m high building threw a
stone upward with an initial...

Q1)A student standing on top of a 160-m high building threw a
stone upward with an initial velocity of 45 m/s. Assume that
g=-9.80 m/s2. Upward direction is positive and downward is
negative.
What is the speed, in m/s, of the stone after 5.0 seconds?
(hint: speed is always positive!)
Your Answer:
Q2)
A student standing on top of a 150-m high building threw a stone
upward with an initial velocity of 44 m/s. Assume that g=-9.80
m/s2. Upward direction...

A ball is thrown horizontally from the top of a 70.0-m building
and lands 90.0 m from the base of the building. Ignore air
resistance. What is the velocity just before it hits the ground? In
meters per second

A ball is thrown upward with speed of 38.0m/s from top of
building 240 m tall: a) How long will it take to reach ground?
b)how long will it take for this ball to reach the highest point.
c) How long after ball is thrown will it be found 265 m above
ground? d) What is velocity of ball as it reaches the ground ? e)
what will be the velocity of this ball at the highest point? f) how...

A ball is dropped from rest from the top of a building with
height 50 meters. At the same instant, you throw a ball upward from
ground level carefully aimed to hit the falling ball. If the
initial speed of your throw is 19 m/s, then the two balls collide
at a height above the ground equal to:
a) 4.50 m b) 7.61 m c) 12.2 m d) 16.1 m e) 2.15 m

You are walking around your neighborhood and you see a child on
top of a roof of a building kick a soccer ball. The soccer ball is
kicked at 49° from the edge of the building with an initial
velocity of 17 m/s and lands 65 meters away from the wall. How
tall, in meters, is the building that the child is standing on?

A ball is thrown horizontally from the top of a 70.0-m building
and lands 90.0 m from the base of the building. Ignore air
resistance. What is the velocity just before it hits the
ground?
Just give the magnitude in meters/second here.

1. You throw a ball from the top of a 50 m high building at 12
m/s straight upward. The ball misses the building on the way down.
The mass of the ball is 2 kg.
a. Using energy considerations, how high does the ball go?
b. Using energy considerations, what is the magnitude of the
velocity just as it strikes the ground?
c. What is the work done by the force of gravity on the ball
while the ball...

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