A quarterback throws a football at 40.0 km/hr to a receiver 50.0 yd away. how much time does it take the ball to reach the receiver?

What happens when a dielectric material is placed between the two charged plates of the capacitor

A person struggles very hard to lift a large boulder. He puts in so much effort, he starts to sweat, his heart rate increases, and he gets really tired. All of his effort is for nothing, the boulder does not move at all.

Select the correct answer. What did the observation of the spectrum of different galaxies reveal? A. there were more galaxies whose spectrum was blueshifted B. there were no galaxies whose spectrum was redshifted C.

What will happen if you place too many washers on the end of a shaded-pole motor shaft? A. The motor will become noisy. B. The rotor will jam. C. The bearings will become too heavy. D. The shaft will loosen.

What is formula of baking soda.

The force of gravity acts upon meteors from the rocky asteroid belt between mars and Jupiter. Where is the force of gravity most likely to pull these meteors

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. Which of the following best describes how such a telephone is able to transmit and receive information? A.

Calculate the gravitational potential energy relative to the ground when an 82 kg person climbs to the top of a 2.0 m stepladder.

A rock is thrown from a cliff and hits the ground five seconds later at a distance of 50 m from the cliff how high was a cliff

A 15.0 m long plane is inclined at 30.0 degrees. If the coefficient of friction is 0.426, what force is required to move a 40.0 kg mass from rest at the bottom on the plane to the top of the plane with a final velocity of 8.00 m/s?