Question

A 9500 kg boxcar traveling at 16 m/s strikes a second car. The two stick together and move off with a speed of 6.0 m/s. What is the mass of the second car?

Other
ANSWERED
asked 2021-03-29
A 9500 kg boxcar traveling at 16 m/s strikes a second car. The two stick together and move off with a speed of 6.0 m/s.
What is the mass of the second car?

Expert Answers (1)

2021-03-31
From the converstation of momentum
\(\displaystyle{m}_{{{1}}}{u}_{{{1}}}+{m}_{{{2}}}{u}_{{{2}}}={m}_{{{1}}}{v}_{{{1}}}+{m}_{{{2}}}{v}_{{{2}}}\)
\(\displaystyle{9500}\times{16}+{m}_{{{2}}}\times{0}={9500}\times{6}+{m}_{{{2}}}\times{6}\)
\(\displaystyle{9500}\times{16}={9500}\times{6}+{m}_{{{2}}}\times{6}\)
\(\displaystyle{9500}\times{10}={m}_{{{2}}}\times{6}\)
\(\displaystyle{m}_{{{2}}}=\frac{{{9500}\times{10}}}{{6}}\)
=15833.33 kg
14
 
Best answer

expert advice

Have a similar question?
We can deal with it in 3 hours

Relevant Questions

asked 2021-03-26
A 1200kg pick up truck traveling south at 15m/s collides witha 750kg car traveling east. The two vehicles stick together. Thefinal position of the wreckage after the collision is 25m, atan angle of 50 south of east, from the point of impact. If thecoefficient of friction between the tires and the road, from thelocation of the collision to the point at which the wreckage comesto rest is 0.4, what was the speed of the car just before thecollision?
asked 2021-02-27
An alpha particle (a He nucleus, containing two protons and two neutrons and having a mass of \(\displaystyle{6.64}\cdot{10}^{{-{27}}}\) kg) traveling horizontally at 35.6 km/s enters a uniform, vertical, 1.10 T magnetic field.
A) What is the diameter of the path followed by this alpha particle?
B) What effect does the magnetic field have on the speed of the particle?
C) What are the magnitude of the acceleration of the alpha particle while it is in the magnetic field?
D) What are the direction of the acceleration of the alpha particle while it is in the magnetic field?
asked 2021-02-21
How do you solve this problem? I don' t even know whereto begin.
A Ferrari with a mass of 1400 kg approaches a freeway underpassthat is 10 m across. At what speed must the car be moving, inorder for it to have a wavelength such that it might somehow"diffract" after passing through this "single slit"? How dothese conditions compare to normal freeway speeds of 30m/s?
asked 2021-04-21
Car 1 has a mass of m1 = 65 ❝ 103 kg and moves at a velocity of v01 = +0.81 m/s. Car 2, with a mass of m2 = 92 ❝ 103 kg and a velocity of v02 = +1.2 m/s, overtakes car 1 and couples to it. Neglect the effects of friction in your answer.
(a) Determine the velocity of their center of mass before the collision m/s
(b) Determine the velocity of their center of mass after the collision m/s
(c) Should your answer in part (b) be less than, greater than, or equal to the common velocity vf of the two coupled cars after the collision? less than greater than equal to
...