# pysc

an object A 2.5kg is traveling at 25meters per second collides head on with a 5kg mass b calculate the velocity of the 5kg mass if
1.the mass b is initially at rest
2.traveling opposite to mass A at 20m/s
3.traveling in the same direction as A at 12m/s

1. 👍 0
2. 👎 0
3. 👁 70
1. .

1. 👍 0
2. 👎 0
2. Have to know if the collision is elastic (kinetic energy conserved) or completely inelastic (they stick together after they hit). In between is not likely in this subject.

1. 👍 0
2. 👎 0
posted by Damon

## Similar Questions

1. ### physics

Object 1 has a velocity of 3m/s and a mass of 5kg. Object 2 also has a mass of 5kg but isn't moving. Object 1 collides with Object 2 and they move off together. Work out their speed using the principle of conservation of momentum.

asked by help me on March 3, 2015
2. ### Physics

A 5kg object travelling at 0.1m/s collides head on with 10kg object initially at rest. Determine the velocity of each object after the impact if the collision is elastic

asked by Evans on April 22, 2018
3. ### Science

An object with a mass of 5kg collides witn an object with a mass of 3kg that is stationary.the two objects stick together and move on with a velocity of 6m.-1 .what was the velocity of the 5kg mass before the collision took place?

asked by Zinhle on February 13, 2012
4. ### Science

Assuming a force of 50 N is applied to each object by each contestant, what is the acceleration of object A?_ B?_C?_ ( Person A's object is 5.0kg, person B's object is 2.5kg and C's is 0.5kg

asked by Brianna on January 6, 2016
5. ### Physics

Weight of an object of 0.5Kgf is 0.5N. 0.5kg. 5kg. 5N

asked by Thousif on September 1, 2017
6. ### PHYSICS MAT

A 1.2 kg object moving at initial velocity 2.0m/s collides elastically with a stationary 0.5kg object horizontally. Calculate A) the velocity of each object after the collision. B) the impulsive force if the contact time is 0.3 s.

asked by THIYNES on July 14, 2014
7. ### Physics

During a car crash a 65kg person's head goes from traveling at 50km h-1 to stationary in 0.15s. (a)What is the magnitude of the average net force acting on the head of a person with a 4.5kg head? (b)How does this compare with the

asked by Ellie on September 21, 2012
8. ### Physics

A 0.24-kg object traveling rightward at 3.5 m/s collides head-on and elastically with a 0.40-kg object traveling leftward at 2.1 m/s. (a) what are their velocities after collision? (b) If the objects are in contact for 0.010 s

asked by Sandhu on October 25, 2009
9. ### physics

A 5kg object moves to the right with a speed of 2m/s. It collides in a perfectly elastic collision with a 2 kg object moving to the left at 5m/s.What is the total kinetic energy after the collision? In elastic collisions KE is

asked by Tammy on October 24, 2007
10. ### maths

what is the mean weight of these bags: 2kg,5kg,6kg,11kg,7kg amd 5kg ?

asked by sophia on January 17, 2010

More Similar Questions