What is one reason phone chargers are made of plastic? A. The plastic insulates a person's hand from the electricity flowing through the phone charger.
B. The plastic provides a pathway for electricity to readily flow , which could interfere with the flow of electricity. 0
D. The plastic provides a pathway for sound waves to enter the phone charger and help it to conduct electricity

How is acceleration calculated? a. initial velocity - final velocity / timeb. initial velocity + final velocity / timec. final velocity - initial velocity / timed. final velocity / timele select the best answer from the choices provided0oood00save and exitnextmark this and return

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative

Describe the work performed by a ski lift in terms of kinetic and gravitational potential energy