All chemical reactions occur at the same rate true or false

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.

How high up is a 5kg object that has 300j of energy

Describe at least two different objects that you think are magnetic and why do you think this objects are magnetic

A hot air balloon is filled with air through an opening the air is heated using a burner the hot air causes a pressure on the inside of the balloon use ideas about molecules to explain how the hot air causes this pressure

The work done in pushing a tv set a distance of 2 m with an average force of 20 n is

A golf ball is hit with an initial velocity of 155 ft/s at an angle of 23 degrees with the horizontal. After 1.4 seconds, how far has the golf ball traveled horizontally and vertically?. a. 199.7 feet horizontally and 75.2 feet vertically. b. 60.

What is the kinetic energy (in joules) of a. 2 kg softball thrown at a speed of 40 m/sec? (answer should be in correct units)

How is the information sent back to earth by the robots?

During which change of state do atoms lose energy? sublimation freezing boiling melting

Why does the rotation of earth require people to establish times zones?