Select all the correct answers. What are some applications of fission reactions

A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?

Alarge box of mass m is pulled across a horizontal frictionless surface by a horizontal rope with tension t. a small box of mass m sits on top of the large box. the coefficients of static and

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c