Question

6) Mass 1 of 6 kg is initially moving at 9 m/s in the +x direction and it collides perfectly elastically with mass 2 of 3 kg initially at rest. What is the final velocity of mass 2 after the collision in m/s? (Note: the masses are not needed to answer this question.)

Answer #1

i) A mass of 5 kg is moving at 9 m/s in the +x direction which
collides inelastically with a mass (mass 2) of 4 kg. After the
collision, the masses are moving at 5 m/s in the +x direction. What
is change in total KE in the collision, in Joules? If negative,
include a negative sign.
ii) Mass 1 is initially moving at 5 m/s in the +x direction and
it collides perfectly elastically with mass 2 moving at...

A mass of is initially moving in the 2.5 m/s in the +x direction
and collides in a perfectly elastically with a mass of moving in
the -x direction at 7.6 m/s. After the collision, the mass that was
moving in the +x direction originally is moving in the -x direction
at 8.6 m/s. What is the velocity of the other mass after collision
in m/s? Indicate -x direction, by including a negative sign.

Mass #1 of 5.0 kg is moving at 2.0 m/s in the + x-direction, and
collides with mass #2 of 10. kg that is initially at rest, on a
frictionless horizontal surface. They collide elastically. Find
each velocity, after the collision.

2a) Mass 1 is moving at 6 m/s in the +x
direction and it collides in a perfectly
elastically with mass 2 of 2 kg
moving at 15 m/s in the -x direction. They
collide for 0.3 seconds, and the average
force on mass 1 is 148 N in the -x direction. What is
the mass of mass 1 in kg?
2b) Mass 1 is moving at 3 m/s in the +x
direction and it collides
inelastically with mass 2...

i)A mass of 3 kg is moving at 4 m/s in the +x direction which
collides inelastically with a mass (mass 2) of 8 kg. After the
collision, the masses are moving at 4 m/s in the +x direction. What
is the initial velocity of mass 2 in m/s? If in the negative x
direction, include a negative sign.
ii) A mass of 4 kg is moving at 6 m/s in the +x direction which
collides inelastically with a mass...

A mass of 3 kg is initially moving in the +x direction and
collides inelastically with a mass of 10 kg moving in the -x
direction at 2 m/s. After the collision, both masses move in the +x
direction at 4 m/s. How much kinetic energy is lost in the
collision in Joules? Answer is positive

3.) A mass is moving at 9 m/s in the +x direction and it
collides in a perfectly elastic collision with a mass of 4 kg
moving in the -x direction. The collision takes places in 0.23
seconds and after the collision the mass that was moving in the +x
direction is moving in the -x direction at 6 m/s and the mass that
was moving in the -x direction is moving in the +x direction at 13
m/s. What...

A mass is moving at 6 m/s in the +x direction and it collides in
a perfectly elastic collision with a mass of 5 kg moving in the -x
direction. The collision takes places in 0.25 seconds and after the
collision the mass that was moving in the +x direction is moving in
the -x direction at 6 m/s and the mass that was moving in the -x
direction is moving in the +x direction at 13 m/s. What is...

A) A block of mass m1=6.0 kg is initially moving at 5.0 m/s to
the right and collides inelastically with an initially stationary
block of mass m2=18.0 kg. The two objects become stuck together.
Find the final velocity of the two blocks.
B) A block of mass m1=6.0 kg is initially moving at 5.0 m/s to
the right and collides elastically with an initially stationary
block of mass m2=18.0 kg.
After the collision, block m2 is moving to the right...

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?

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