A 1930 Model A coupe (1070 kg) at 5 m/s collides with a
stationary 1930 sedan...
A 1930 Model A coupe (1070 kg) at 5 m/s collides with a
stationary 1930 sedan (1070 kg), and due to their spring steel
bumpers, this collision is elastic. The coupe is stationary after
impact. What is the final velocity of the sedan?
A 1.2 kg ball moving with a velocity of 8.0 m/s collides head-on
with a stationary ball and bounces back at a velocity of 4.0 m/s.
If the collision is perfectly elastic, calculate (a) the mass of
the other ball, (b) the velocity of the other ball after the
collision, (c) the momentum of each ball before and after the
collision, and (d) the kinetic energy of each ball before and after
the collision.
A 2 kg ball moving W at 5 m/s collides head on with a 1.5 kg
ball moving E at 8 m/s. Ifthe collision is elastic, compute the
velocity of each ball after the collision.
A 7.1 kg block with a speed of 3.3 m/s collides with a 14.2 kg
block that has a speed of 2.2 m/s in the same direction. After the
collision, the 14.2 kg block is observed to be traveling in the
original direction with a speed of 2.8 m/s. (a)
What is the velocity of the 7.1 kg block immediately after the
collision? (b) By how much does the total kinetic
energy of the system of two blocks change because...
A 7.3 kg block with a speed of 4.8 m/s collides with a
14.6 kg block that has a speed of 3.2 m/s in the same direction.
After the collision, the 14.6 kg block is observed to be traveling
in the original direction with a speed of 4.0 m/s. (a) What is the
velocity of the 7.3 kg block immediately after the collision? (b)
By how much does the total kinetic energy of the system of two
blocks change because...
A 6.3 kg block with a speed of 4.8 m/s collides with a 12.6 kg
block that has a speed of 3.2 m/s in the same direction. After the
collision, the 12.6 kg block is observed to be traveling in the
original direction with a speed of 4.0 m/s. (a) What is the
velocity of the 6.3 kg block immediately after the collision? (b)
By how much does the total kinetic energy of the system of two
blocks change because...
A 7.2 kg block with a speed of 10 m/s collides with a 19 kg
block that has a speed of 5.4 m/s in the same direction. After the
collision, the 19 kg block is observed to be traveling in the
original direction with a speed of 5.4 m/s. (a)
What is the velocity of the 7.2 kg block immediately after the
collision?(b) By how much does the total kinetic
energy of the system of two blocks change because of...
A 2290 kg car traveling at 11.7 m/s collides with a 2620 kg car
that is initially at rest at the stoplight. The cars stick together
and move 3.30 m before friction causes them to stop. Determine the
coefficient of kinetic friction betwen the cars and the road,
assuming that the negative acceleration is constant and that all
wheels on both cars lock at the time of impact.
A 2.7 kg block with a speed of 5.4 m/s collides with a 5.4 kg
block that has a speed of 3.6 m/s in the same direction. After the
collision, the 5.4 kg block is observed to be traveling in the
original direction with a speed of 4.5 m/s. (a)
What is the velocity of the 2.7 kg block immediately after the
collision? (b) By how much does the total kinetic
energy of the system of two blocks change because...
A 2.9 kg block with a speed of 3.6 m/s collides with a 5.8 kg
block that has a speed of 2.4 m/s in the same direction. After the
collision, the 5.8 kg block is observed to be traveling in the
original direction with a speed of 3.0 m/s. (a) What is the
velocity of the 2.9 kg block immediately after the collision? (b)
By how much does the total kinetic energy of the system of two
blocks change because...