How much heat is needed to melt 45.00 g of ice at 0°c if the latent heat of fusion of water is 333.7 j/g?

Why does the modern atomic theory today represent the best explanation scientists have to offer?

Why do the densities of most substances decrease with an increase in temperature?

A tectonic force is pushing a tectonic plate toward the north. If a second force of equal magnitude were to be applied to the plate in an eastward direction, A. the plate would change speed but not direction. B.

What criteria might be used to establish someone as an expert witness?

A box that has a mass of 80 kg slides down a ramp with a 30 degree angle. The free-body diagram shows the forces acting on the box. Ignoring friction and air resistance, what is the acceleration of the box, to the nearest tenth? -0.5 m/s2 -4.

Convert 305 meters to kilometers

Which part of a circuit creates an electric force field that makes it possible for the circuit to work? -bulb -buzzer -motor -voltage source

What is the volume of a lead ball with a mass of 454 g

When you lift a bowling ball with a force of 61.1 N, the ball accelerates upward with an acceleration a. If you lift with a force of 70.9 N, the ball's acceleration is 2.07a. Calculate the weight of the bowling ball.

Because stars are said to have a life cycle, we expect that they will eventually die cease to have an orbit continue to move in circular orbits create living organisim