Question

a 1.5 kg car (1) initially moving at 4.0 m/s to the right collides with a 2.0 kg car (2) initially moving at 2.0 m/s to the left. After the inelastic collision, car 1 is moving to the left at 1.2 m/s

A) What is the velocity and direction of car 2 after the collision?

B) What is the change in total kinetic energy and the percentage of initial kinetic energy remaining after the collision?

Answer #1

A 2.0 kg block with a speed of 5.1 m/s collides with a 4.0 kg
block that has a speed of 3.4 m/s in the same direction. After the
collision, the 4.0 kg block is observed to be traveling in the
original direction with a speed of 4.3 m/s. (a)
What is the velocity of the 2.0 kg block immediately after the
collision? (b) By how much does the total kinetic
energy of the system of two blocks change because...

1. A railroad car of mass 2.40E+4 kg moving with a speed of 3.10
m/s collides and couples with two other coupled railroad cars each
of the same mass that are already moving in the same direction at a
speed of 1.00 m/s.
a. What is the speed (in m/s) of the three coupled cars after
the collision?
b.How much kinetic energy (in J) is lost in the collision?
2.A ring (2 kg, r = 2 m) rotates in a...

A ball with a mass of 2 kg is initially moving to the right with
a speed of 3 m/s. It collides with a 5 kg ball moving to the left
with a speed of 1 m/s. The balls collide partially elastically: 70%
of the initial kinetic energy of the system is conserved in the
collision. Find the final velocity of each ball. The balls move
only along the x-axis. Show your work.

A 200-g particle moving at 5.0 m/s on a frictionless horizontal
surface collides with a 300-g particle initially at rest. After the
collision the 300-g object has a velocity of 2.0 m/s at 45o below
the direction of motion of the incoming particle. What is the
velocity of the incoming particle after the collision? What
percentage of the initial kinetic energy is lost in the
collision?

1500-kg car moving at 16.00 m/s suddenly collides with a
stationary car of mass 1000 kg. Time of collision is .02 secs
e. What is the average force acting on the stationary car by the
moving car during the collision?
f. What is the total kinetic energy before the collision?
g. What is the total kinetic energy after the collision?
h. What is change in momentum?
i. What happens to the lost kinetic energy? Explain clearly
j. Is this an...

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...

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.

A ball with mass M = 5 kg is moving with speed V=10 m/s and
collides with another ball with mass m = 2.5 kg which is initially
stationary. There is no other force such as gravity acting on the
two balls. After the collision, both balls move at angle θ=30
degrees relative to initial direction of motion of the ball with
mass M = 5 kg. a) What are the speeds of the two balls after the
collision? b)...

A 1 150.0 kg car traveling initially with a speed of 25.000 m/s
in an easterly direction crashes into the back of a 8 000.0 kg
truck moving in the same direction at 20.000 m/s. The velocity of
the car right after the collision is 18.000 m/s to the east.
(a) What is the velocity of the truck right after the collision?
(Give your answer to five significant figures.) m/s east
(b) What is the change in mechanical energy of...

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

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 17 minutes ago

asked 21 minutes ago

asked 40 minutes ago

asked 46 minutes ago

asked 47 minutes ago

asked 53 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago

asked 2 hours ago

asked 2 hours ago