Other Physics Answers

A stone was dropped on top of the table, 2 meters above the ground. Find the distance of the ground level at time t? How long will it take the stone to reach the ground?

Most businesses now run their loyalty programs through apps. The app keeps track of your purchases, including what you purchase, how often, and when. The app can be programmed to dispense rewards according to different criteria. Say the app is programmed to give you a reward after a random number of purchases. You never know how many purchases you have to make to get a reward. This is an example of which schedule of reinforcement?

In pre-smartphone days, fast food restaurants and coffee shops used to give out punch cards. You got a punch for every purchase. After you filled your punch card, say after 10 visits, you got a free meal or beverage. This is an example of which schedule of reinforcement?

4² + DELTA² = BETA²
If BETA² = 212, Determine the value for DELTA

The mass of mars 0.11 times the mass of the earth and radius of 0.532 times of the earth. At what minimum velocity should a rocket be released from the surface of the mars so that it can come out of the gravitational force of the mars?

An artificial satellite of earth is revolving round earth at a height 900000m from the earth surface. Find the minimum velocity of the satellite & period of revolution.

You are to design a rotating cylindrical axle to lift 800 N buckets of cement from the ground to a rooftop 78.0 m above the ground. The buckets will be attached to a hook on the free end of a cable that wraps around the rim of the axle; as the axle turns, the buckets will rise. What should the radius of the axle be in order to raise the buckets at a steady 3.28 cm/s when it is turning at 7.24 rpm?

Marga (35 kg) and Kasey (45kg) were playing catch. They agree to toss a 0.50kg ball towards each other. If the ball is moving at a rate of 0.50m/s, how fast must Marga and Kasey move in order to catch the ball? Type in your complete solution. Clue: The ball does not move once it was caught. *

Marga (35 kg) and Kasey (45kg) were playing catch. They agree to toss a 0.50kg ball towards each other. If the ball is moving at a rate of 0.50m/s, how fast must Marga and Kasey move in order to catch the ball? Type in your complete solution. Clue: The ball does not move once it was caught. *

Determine the density of states in a superconductor.