Before a collision, a 200-kg Honda is driving 30 m/s towards a 600-kg Toyota that is not moving. After the crash, the two cars are stuck
together. What is their velocity? m/s

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)