How batteries work? What are some possible mterials you could use to make your battery?

Julio hit a baseball. What caused the ball to change direction at the time of impact? a. the force of gravity b. the speed of the ball c. the force of his swing d. the weight of the air

What element exists in almost every compound in your body and other living things

The speed of a sound wave in seawater is approximately 1500 m/s. If this wave is transmitted at 10 ms-1, what is its wavelength? Answer in units of cm

A test charge is placed at a distance of 3.5 meters from a charge of 8.7 * 10-9 coulombs. What is the electric field strength at the test charge? (k = 9.0 * 109 newton·meter2/coulomb2) 6.4 newtons/coulomb 8.7 newtons/coulomb 3.5 newtons/coulomb 9.

A bird sitting in a high tree is what potential or kinetic energy

The net force acting on a 50kg crate is 0 N. what is the crates accelratiin

How long in seconds will it take a car traveling at 100 miles/hour to travel the length of an American Football field?

If you increase the mass of an object, but keep the force on it constant, its acceleration decreases? true or false

Equipotentials are lines along which Select one: a. the electric field is constant in magnitude and direction. b. the electric charge is constant in magnitude and direction. c.

What is the unit for magnitudes in astronomy?