A flashlight bulb with a potential difference of 4.5 v across it has a resistance of 8 ohms how much current is the bulb filament

One beam of electrons moves at right angles to a magnetic field. the force on these electrons is 4.9 x 10-14 newtons. a second beam travels at the same speed, but at a 30° angle with the magnetic field. what force is on these electrons?

Describe the type of rock and it's texture that would form from the melted meteorite and Earths rocks

Jovian planets did not form in the inner solar system because: A. It was too hot for light-weight but abundant water, ammonia, and methane molecules to accrete into planetesimals that were sufficiently massive to gravitationally pull hydrogen and

Calculate the amount of heat (in btu) needed to raise the temp of 2.5lb of glass from 45°f to 350°f. the specific heat capacity of glass is 0.187Btu/lb°f

Assume that a 15-kg ball moving at 8 m/s strikes a wall perpendicularly and rebounds elastically at the same speed. What is the amount of impulse given to the wall?

The waters of a lake will be most layered in which season A. winter B. spring C. summer D. fall

a 160kg space vehicle is traveling along a straight line at a constant speed of 800. meters per second. the magnitude of the net force on the space vehicle is

Two blocks are at the top of a ramp. Block A slides without friction to the bottom, and at the same instant block B drops vertically to the ground. (a) Which block reaches the ground with the greater speed? Explain.

Wood is an example of a fossil fuel. User: The type of energy stored by fossil fuels such as coal is a. kinetic energy. b. mechanical energy. c. chemical potential energy. d. electromagnetic energy. User: An example of a fossil fuel is a. wood. b.

What type of changes does erosion cause? A physical B chemical C electrical D magnetic