Question

In: Physics

A 1000. kg remote-controlled stunt car traveling at 17.0 m/s north collides with a 900. kg...

A 1000. kg remote-controlled stunt car traveling at 17.0 m/s north collides with a 900. kg remote-controlled stunt car traveling at 18.0 m/s east. What is the speed of the entangled cars immediately after the collision? 7.2 m/s 7.7 m/s 10.2 m/s 12.4 m/s

Solutions

Expert Solution

Given:

Mass of car 1,

The first car is travelling at 17m/s north (+ve y-direction)

So the initial velocity of car 1,

Mass of car 2,

The second car is travelling at 18m/s east(+ve x-direction)

So the initial velocity of car 2,

After the collision, the cars get entangled

Find the final velocity of the cars

-------------

Consider the collision

During collision momentum is conserved

Initial momentum = Final momentum

--------

Magnitude

ANSWER: 12.4m/s

============================


Related Solutions

A 900-kg car traveling east at 20.0 m/s collides with a 750-kg car traveling north at...
A 900-kg car traveling east at 20.0 m/s collides with a 750-kg car traveling north at 15.o m/s. The cars stick together. Assume that any otherunbalanced forces are negligible. (Draw Diagrams) (a) What is the speed of the wreckage just after the collision? (b) In what directions does the wreckage move just after the collision? (c) What is the total Kinetick Energy before the collision? (d) What is the total Kinetic Energy after?
A 900-kg car traveling east at 20.0 m/s collides with a 750-kg car traveling north at...
A 900-kg car traveling east at 20.0 m/s collides with a 750-kg car traveling north at 15.0 m/s. The cars stick together. Assume that any other unbalanced forces are negligible. (Draw Diagrams) (a) What is the speed of the wreckage just after the collision? (b) In what direction does the wreckage move just after the collision? (c) What is the total Kinetic Energy before the collision? (d) What is the total Kinetic Energy after?
A 2290 kg car traveling at 11.7 m/s collides with a 2620 kg car that is...
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 1000 kg car traveling 60° south from east at 30 m/s collides with a 3000...
A 1000 kg car traveling 60° south from east at 30 m/s collides with a 3000 kg truck traveling north at 20 m/s. The cars stick together after the collision. a) Is the momentum of the tr uck conserved before and after the collision? Why? b) Is the momentum of the car and tr uck together conserved before and after the collision? Why? c) Draw the velocity vector for the car before collision and write down the x and y...
A 1410-kg car moving east at 17.0 m/s collides with a 1880-kg car moving south at...
A 1410-kg car moving east at 17.0 m/s collides with a 1880-kg car moving south at 15.0 m/s, and the two cars connect together. a) What is the magnitude of the velocity of the cars right after the collision? (m/s) b) What is the direction of the cars right after the collision? Enter the angle in degrees where positive indicates north of east and negative indicates south of east. (°) c) How much kinetic energy was converted to another form...
Problem: Car 1 (1000 kg) is traveling east at 8.0 m/s. Car 2 (2500 kg) is...
Problem: Car 1 (1000 kg) is traveling east at 8.0 m/s. Car 2 (2500 kg) is traveling west at 4.5 m/s. These two cars have a head-on collision. Car 2 recoils at 2.0 m/s. a) what is given/known? b) What is the linear momentum of Car 1 BEFORE the collision? c) What is the linear momentum of Car 2 BEFORE the collision? d) What is the linear momentum of the system ( car 1 and car 2) BEFORE the collision:...
A 1,4-kg object traveling at 5,5 m/s collides head-on with a 3-kg object traveling in the...
A 1,4-kg object traveling at 5,5 m/s collides head-on with a 3-kg object traveling in the opposite direction at 3,9 m/s. If the collision is perfectly elastic, what is the final speed of the 1,4-kg object? Answer in two decimal places. The answer is supposed to be 7,32. Why is that?
A green car with a mass 1000 kg is traveling east at 40 m/s. Simultaneously, a...
A green car with a mass 1000 kg is traveling east at 40 m/s. Simultaneously, a yellow car with 1500 kg is traveling north at 30 m/s. They collide in a perfectly inelastic collision such that there is no rotation. A)during the collision which car experiences a greater force? Why? B) what is the momentum of each car before the collision? C) what is the magnitude of the momentum of the two combined cars after the collision? D)what is the...
An ambulance is traveling south at 50 m/s, away from a car that is traveling north...
An ambulance is traveling south at 50 m/s, away from a car that is traveling north at 30 m/s. The ambulance driver hears his siren at a frequency of 750 Hz. The velocity of sound is 343 m/s . What frequency (in Hz) does the driver of the car hear the siren?
A 1700 kg car moving east at 17 m/s collides with a 1800 kg car moving...
A 1700 kg car moving east at 17 m/s collides with a 1800 kg car moving south at 20 m/s, and the two cars stick together. Consider east the positive x-direction and north the positive y-direction. a) What is the x-component of the initial momentum before the collision? ( -7100 kg·m/s, 64900 kg·m/s or 28900 kg·m/s) b) What is the y-component of the initial momentum before the collision? (-36000 kg·m/s, -7100 kg·m/s, 64900 kg·m/s or 36000 kg·m/s) c) What is...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT