What happens when a penny is dropped from a height of 20 meters? A. it falls at a constant velocity B. its mass doubles for every second it falls C. the force of gravity causes it to accelerate D. it changes direction every 9.8 meters

Which of the following would cause electromagnetic induction? 1. The tv turned on 2. A cell phone is charged by plugging it into the outlet. 3. A constant current is supplied to a circuit board in your computer 4.

How large is the area of water found on Mars?

Eight grams of water changes from liquid to vapor at a pressure of one atmosphere. In the process, the volume changes from 0.8 cm³ to 674 cm³. The latent heat of vaporization of water is 2.26 * 10⁶ J/kg. Find the work done. Answer in units of J.

The spin cycles of a washing machine have two angular speeds, 436 rev/min and 605 rev/min. the internal diameter of the drum is 0.420 m.

How much would a 100kg man weigh on the surface of the sun where the acceleration is 274 m/s

Is it possible for a baseball to have as large a momentum as a much more massive bowling ball

A simple pendulum with length 1.6 m and mass 21 kg is pulled 20◦ from the vertical and released. If it is allowed to swing until it comes to rest, how much energy was converted into heat? The acceleration of gravity is 9.8 m/s 2.

A pulley system has an MA of 4. How much force would be necessary to pull a 200 newton box

0.005098 in megaliters to liters

The active sections that are located along fault lines are called A. seismic gaps. B. seismic risks. C. stress accumulations. D. recurrence gaps