If the resistance of an electric circuit is 12 ohms and the voltage in the circuit is 60 v the current flowing through the circuit is

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?

What is the final velocity of the initial velocity of 25 and -50?

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.