What are quarks? mention its properties

There is a naturally occurring electric field near the surface of the Earth whose magnitude is 80√pi V/m. How much energy is stored per cubic meter in this field?

During an experiment, the temperature of a liquid was measured several times. The temperatures, in degree Fahrenheit, listed in increasing order, are 63, 67, x, 80, and 82.

A crate at rest applies a force of 147 newtons on the floor. If the coefficient of static friction is 0.3, what is the maximum force of friction that resists the movement of the crate?

John traveled on a motorbike a distance of 1,500 meters north to get to the nearest shopping center. He then turned back south and rode another 1,450 meters to meet his friend. What was his displacement?

Driving a motor vehicle requires many coordinated functions which are impacted by alcohol and other drugs

A farmer had 15 sheep, and all but 8 died. How many are left?

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?