Question

A metal ball is launched by a sling shot from ground level with an initial speed of 13.3 m/s directly upward. Choose upward as the positive direction in your analysis.

(a) What is the maximum height above the ground that the ball
reaches?_______ m

(b) How long does it take to reach the maximum height?__________
s

(c) How long does it take to reach the ground after it reaches its
highest point?__________s

(d) What is its velocity just before it hits the ground? (Indicate
the direction with the sign of your answer.)___________m/s

Answer #1

A ball is shot from the ground into the air. At a height of 6.9
m, its velocity is V=7.5i+6.9j m/s, with i horizontal and j upward.
(a) To what maximum height does the ball rise? (b) What total
horizontal distance does the ball travel? What are the (c)
magnitude and (d) angle (below the horizontal; give as negative) of
the ball's velocity just before it hits the ground?

3. In a shot-put event, an athlete throws the shot with an
initial speed of 20 m/s at a 37° angle from the horizontal. The
shot leaves her hand at a height of 1.50 m above the ground. a)
What is the maximum height? What is the net velocity at maximum
height? b) How much time does it take to reach the ground? c) What
is the maximum horizontal displacement? d) What is the final
velocity (magnitude and direction) of...

A small cannonball is shot straight up from the ground with a
launch speed of 26.3 m/s. 2.00 seconds after the cannonball is
launched, a ping pong ball is dropped from a height of 36.5 m. Both
objects only move in the y-direction.
2a. Where (with respect to the ground) do the cannonball and the
ping pong ball pass one another?
2b. How fast and in what direction are each of the balls
traveling when they pass one another?
2c....

A ball is thrown vertically upward with a speed of
36.0 m/s.
a) How high does it rise?
b) How long does it take to reach its highest
point?
c) How long does the ball take to hit the ground after
it reaches its highest point?
d) What is its velocity when it returns to the level
from which it started?

ball is kicked with an initial speed of 10 m/s above the
horizontal with an initial angle 30 degree. What is the maximum
height this projectile motion? What is the speed of the ball at its
maximum height? How long does it take the ball to reach the maximum
height? What is the speed of the ball when it hits the ground? What
is the magnitude of the acceleration of the ball when it is at the
maximum height?

A ball is thrown vertically upward with a speed of 25.0 m/s from
a height of 30 m from the ground.
How high does it rise from the ground?
How long does it take to reach the maximum height from the point
of projection?
How long does it take to reach to the ground?

Nicholas throws a ball with an initial speed of 10.00 m/s at
an angle of 58° above the horizontal. The ball leaves her hand 0.88
m above the ground and experience negligible air resistance.
(a)How far from where the child is standing does the ball hit
the ground?
(b)How long is the ball in flight before it hits the
ground?
(c)What is the magnitude of the ball's velocity just before
it hits the ground?
(d)At what angle below the horizontal...

A man throws a ball straight upward with speed 30 m/s from the
top of a building that is 75 m high. Ignore air resistance and
choose the vertical y-axis to be positive downward with
origin at the point of throw (top of the building).
Represent the initial velocity and the acceleration vectors in
the reference y-axis above.
Find the maximum height the ball reaches with respect to the
ground.
How long does it take the ball to reach the...

A 3 kg cannonball is shot straight up from ground level at a
velocity of 30 m/s. For the following questions, neglect air
resistance and assume acceleration due to gravity is -10
m/s2.
(a) Use the 1D equations of motion to find:
i. The maximum height the cannonball reaches
ii. The time it takes to reach this height
iii. The time it takes to fall back to the ground
iv. The speed with which it hits the ground

In the figure, a 0.400 kg ball is shot directly upward at
initial speed 31.8 m/s. What is its angular momentum about
P, 6.09 m horizontally from the launch point, when the
ball is (a) at maximum height and (b) halfway back
to the ground?
I only need part B

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