I'm new to brainy, but here is my question.

Andre, whose mass is 77.1 kg, sits on a diving board above a dunk tank. If he is sitting 0.90 m above the water, what is his total mechanical energy?

Which best explains why no current is induced? The wire needs to be coiled less tightly. The wire needs to be straight, not coiled. The magnet needs to be moved through the coils of wire. The magnet needs to be held above the coils of wire.

House current is 120 volts. if a light bulb runs a current of 0.5 amps, what is the resistance of the bulb

Why do people have different centres of gravity?

Sunlight can raise the inside temperature of a real doghouse. Which of the following changes to a real doghouse would result in warmer inside temperatures due to sunlight?

Which way does heat travel? Explain your answer.

A car is moving with a speed of 22 m/s. The driver then brakes, and the car comes to a halt after 6.5 s. What is the distance covered by the car after the driver brakes, until it comes to a stop? A) 36 m B) 72 m C) 140 m D) 210 m

Which of the following best explains why an explosive charge in a cannon can cause a cannonball to fly out of the cannon with a high velocity? A. because chemical potential energy can convert to gravitational potential energy B.

Distance divided by time what is velocity

The decay constant of a radioactive nuclide is 4.6 x 10^-3 s^-1. What is the half-life of the nuclide? 2.5 min 2.0 min 1.4 min 3.6 min 3.1 min

A furlong is an old british unit of length equal to 0.125 mi, derived from the length of a furrow in an acre of ploughed land. a fortnight is a unit of time corresponding to two weeks, or 14 days and nights.