Show all work 1. A 400 g air car coasting at speed 5m/s strikes a stationary...

Question

Question

Show all work

1. A 400 g air car coasting at speed 5m/s strikes a stationary 300 g air car and sticks to it.

a) what will be their combined speed after impact?

b) What percentage of the original kinetic energy is lost?

2. A 900 gram air car moving at 10 cm/s collides elastically with a stationary 100 g air car. Find the velocity of each after impact.

Answer 1

Answer #1

m/s 2

Answer 2

Similar Homework Help Questions

A 40000 kg freight car is coasting at a speed of 5.0 m/s along a straight...

A 40000 kg freight car is coasting at a speed of 5.0 m/s along a straight level track when it strikes a 30000.kg stationary freight car and couples to it. What will be their combined speed after impact? 2.9 m/s O 3.3 m/s O 3.5 m/s O 3.7 m/s
HELP ASAP 1500kg car moving at 16 m/s suddenly collides with a stationary car of mass...

HELP ASAP 1500kg car moving at 16 m/s suddenly collides with a stationary car of mass 1000 kg Problem3 1500-kg car moving at 16.00 m/s suddenly collides with a stationary car of mass 1000 kg a) What is the total initial momentum? b) If the two vehicles lock together, what is their combined velocity immediately after the collision? c)What is change in momentum? d)What is the impulse? e) What is the average force acting on the stationary car by the...
A 2,000 kg car traveling north at a velocity of 45m/s strikes 2,200 Kg car traveling...

A 2,000 kg car traveling north at a velocity of 45m/s strikes 2,200 Kg car traveling west at 50 m/s. The two vehicles strike each other and stick together. As a single combined mass they slide across the pavement which has a coefficient of kinetic friction 0.07. What is the displacement from the point of impact to the final resting place of the cars? (How long does it take for them to come to rest?) A 200 Kg ball is...

A billiard ball moving at a speed of 7.95 m/s strikes an identical stationary ball a...

A billiard ball moving at a speed of 7.95 m/s strikes an identical stationary ball a glancing blow. After the collision, one ball is found to be moving at a speed of 1.80 m/s in a direction making a 59.5 ° with the original line of motion. What is the speed of the other ball? At what angle is it moving? Give your answer in degrees. (Hint: use conservation of linear momentum)
BONUS PROBLEM (15 POINTS) A 1300 kg car moving at 16.5 m/s collides with a stationary...

BONUS PROBLEM (15 POINTS) A 1300 kg car moving at 16.5 m/s collides with a stationary car of mass 1900 kg. If the two vehicles lock together, what is their combined velocity immediately after the collision? Copyright 2010 Pearson Education, Inc.
On an air track, a 400.0 g glider moving to the right at 2.00 m/s collides...

On an air track, a 400.0 g glider moving to the right at 2.00 m/s collides elastically with a 500.0 g glider moving in the opposite direction at 3.00 m/s. Find the velocity of each glider after the collision.

an 8kg ball moving at a speed of 8m/s due east strikes and identical 8kg stationary...

an 8kg ball moving at a speed of 8m/s due east strikes and identical 8kg stationary ball at rest . After the collision , one ball is found to be moving at a speed of 4m/s in a direction 60 degree above the horizontal . Find the velocity of the other ball in polar form ? Is the collision elastic or inelastic?
9. A 2-kg mass moving to the right at 5m/s collides with and sticks to a...

9. A 2-kg mass moving to the right at 5m/s collides with and sticks to a 1-kemas to the left at 4 m/s a. Determine the final velocity of the combined masses. Emizeme 30=6 mivem V2 = v= 2 m/s (2)(5) H1) (-4):308 10-4 =3v b. Calculate the initial kinetic energy of the two mass system c. Calculate the final kinetic energy of the two mass system. d. Calculate how much mechanical energy was lost in the collision. Where did...
QUESTION 4 15 points Save A truck of mass 5m traveling with a speed v collides...

QUESTION 4 15 points Save A truck of mass 5m traveling with a speed v collides with a stationary car of mass m. If the collision is perfectly Inelastic, what is the joint speed of the car and truck immediately after the collision? Or OV 6 OS QUESTION 5 15 points Save An Two objects collide and bounce apart. If the total kinetic energy of the objects is the same before and after the collision, what type of collision is...

Shown below is a small particle of mass 19 g that is moving at a speed...

Shown below is a small particle of mass 19 g that is moving at a speed of 10 m/s when it collides with and sticks to the edge of a uniform solid cylinder. The cylinder is free to rotate about the axis through its center and perpendicular to the page. The cylinder has a mass of 0.4 kg and a radius of 20 cm and is initially at rest. 10 m/s Before After (a) What is the angular velocity (in...