If a ball is rolling at a velocity of 1.5 m/sec and has the momentum of 10.0 kg m/sec, what is the mass of the ball?

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?

A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?