Question

A
6.0-kg block moving at 9.0 m/s to the right collides head-on with
another 12.0-kg block moving at 3.0 m/s to the left. What are the
velocities of the two blocks after the collision if the collision
is elastic?

Answer #1

A 5.0 kg red ball moving to the east at 9.0 m/s collides
elastically head-on with a 10.0 kg green ball moving to the west at
3.0 m/s. What are the final velocities of both balls?

A 2.50 kg mass moving 7.50 m/s to the right collides head on
with a 4.90 kg mass. After the collision the 2.50 kg mass is moving
5.00 m/s to the left and the 4.90 kg mass is moving 4.88 m/s to the
right.
a. Calculate the velocity of the 4.90 kg mass before the
collision
b. If the collision lasts for 0.0625 seconds calculate the force
that acted on each mass during the collision.

A 55 kg hard sphere moving horizontally at 18 m/s due east
collides head-on with a 65 kg hard sphere moving horizontally at 25
m/s due west. Assuming that the collision is one-dimensional
elastic collision determine the following. What are the final
velocities of each sphere after the collision?

A 5.0-kg mass moving at 8.0 m/s collides head-on with a 3.0-kg
mass initially at rest If the collision is perfectly elastic, what
is the speed of the masses just after the collision? Is the kinetic
energy conserved?

A billiard ball, initially moving to the left at 15.7 cm/s,
collides head on with another ball moving to the right at 40.8
cm/s. The masses of the balls are identical. If the collision is
perfectly elastic, what is the velocity of the first ball
(initially moving the left) after the impact? Give your answer in
cm/s.

Block 1 of mass 2.0 kg is sliding to the right with velocity 8.5
and collides with blocks 2 mass 1.5 kg moving with velocity -2. The
collision is perfectly elastic. What is the velocity of block 1
after the collision? Positive velocity indicates motion to the
right while negative velocity indicates motion to the left.

A
cart of mass 2.50 kg moving with a speed of 4.00 m/s collides
head-on with a 1.50 kg cart at rest. If the collision is elastic,
what will be the speed and direction of each cart after the
collision?

A 20 kg block is moving to the right at 15 m/s along a
horizontal frictionless road when it collides with a 40 kg block
moving to the right at 5 m/s. After the collision, the 20 kg mass
is moving to the right at 12 m/s. Find the velocity of the 40 kg
mass after the collision.

A 1.10-kg ball, moving to the right at a velocity of +1.34 m/s
on a frictionless table, collides head-on with a stationary 6.90-kg
ball. Find the final velocities of (a) the 1.10-kg
ball and of (b) the 6.90-kg ball if the collision
is elastic. (c) Find the magnitude and direction
of the final velocity of the two balls if the collision is
completely inelastic.

A 1.40-kg ball, moving to the right at a velocity of +2.87 m/s
on a frictionless table, collides head-on with a stationary 6.70-kg
ball. Find the final velocities of (a) the 1.40-kg ball and of (b)
the 6.70-kg ball if the collision is elastic. (c) Find the
magnitude and direction of the final velocity of the two balls if
the collision is completely inelastic.

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