A toy dart gun shoots a dart. If the initial total momentum of a tennis ball and tennis racket is +10 kg•m/s, then the final total momentum of the system after the racket hits the ball must be...

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

What object a collides with object b and bounces back its final momentum is?