An object having a mass of 2.0 kilograms falls from a height of 15 meters. What is its kinetic energy when it hits the ground?

Describe the path of the electric current through a circuit?

A paper clip is made of wire 0.5 mm in diameter. If the original material from which the wire is made is a rod 25 mm in diameter, calculate the longitudinal engineering and true strains that the wire has undergone during processing

Which of the following best defines volume? the amount of matter in a substance the shape of a sample of matter the amount of space that a sample of matter takes up the way that a substances atoms are arranged Wood is considered a good insulator

What changes occur at the molecular level when butter melts in a hot pan? A. the motion of the butter molecules remains the same B. the motion of the butter molecules increases C. the motion of the butter molecules decreases D.

Gauss's law of magnetism states that the net magnetic flux through any closed surface is zero. a. True b. False

The organization of notes into regular groups results in A. some notes sounding more prominent than others. B. all notes lasting for the same amount of time. C. patterns of long and short notes. D. a steady beat.

Sara is sitting in the back seat as her father drives at a constant speed. If Sara's father presses on the brakes quickly slowing the car down, what slows Sara down? A. air resistance on the inside of the car B.

A box of books has lessequalmore inertia than a box of cotton balls.

A penny is placed on a rotating turntable. Where on the turntable does the penny require the largest centripetal force to remain in place? Give your reasoning.

Is the temperature of a normal healthy old man is less than that of a normal healthy young man?