A 2.5-kg book slides horizontally and falls from a shelf 3.0 m above the floor. How much work does the force of gravity do on the book as it falls 3.0 m?

D = (1/2) at^2 solve a=

What is a galvanic cell?

Explain how Galileo used a thought experiment of a ball on a ramp to conclude that an object would stay in constant motion if no net force acted on it.

This type of stretching activities are held for 10-20 seconds to maintain your current level of flexibility. dynamic ballistic static

With the wire back at its initial location, you connect a second identical battery in series with the first one.

A bullet is fired horizontally with an initial velocity of 144.7 m/s from a tower 11 m high. if air resistance is negligible, what is the horizontal distance the bullet travels before hitting the ground?

A 0.2 kg conductor of length 0.8 m carries 2 ampere current to the right in a magnetic field. What is the magnitude and the direction of the magnetic field acting on the conductor if the net force on the rod is zero?

A model rocket with a mass of 0.181 kg is launched into the air with an initial speed of 92 m/s. How much kinetic energy will the rocket have at a height of 164 m? Assume there is no wind resistance.

Which factors improve soil fertility? Select the three correct answers. A. Artificial fertilizer B. High pH C. Water D. Bedrock E. Nitrogen-fixing bacteria

What is the change in internal energy if 60 J of heat are added to a system and the system does 40 J of work on its surroundings? Use AU = Q-W.