A compressed spring has 16.2j of elastic potential energy when it is compressed 0.30m what is the spring constant of the spring

Which of these is NOT an example of work? A. Holding a heavy book B. Pushing a wheelbarrow C. Lifting weights

A blank is an electric circuit that produces a magnetic field. whats the blank?

2 What is chemical energy? A energy carried by light energy of moving electrons B holds protons and. c neutrons together in the nucleus of an atom D holds the atoms in the molecule together

a bottle rocket takes off with an acceleration of 34.5m/s^2. it fires until it reaches a height of 200m, then shuts off, and gravity takes over. what maximum height does it reach? (unit = m)

An uncharged metal sphere, A, is on an insulating base. A second sphere, B, of the same size, shape, and material carrying charge Q is brought close to, but not touching, sphere A.

2. What other physical quantity might be more important to weightlifters than how much actual work they do?

A minibus drives 212 km in 2 hours 10 minutes. What is its average speed in kilometers per hour?

What is the charge of plasma? A. Positive B. Negative C. Neutral

Examine the situation. Lloyd is studying the effect of breakfast cereal on the health of rats. He suspects that the cereal may be unhealthy. He feeds rats various amounts of breakfast cereal over a six-week period.

An electron travels into a 0.5 T magnetic field perpendicular to its path, where it moves in a circular arc of diameter 0.028 m. What is the kinetic energy of the electron?