A tow truck pulls a 1500 kilogram car wit a net force of 4000 Newtons. What's the acceleration?

Match the term in the correct description 1.) materials that stop the flow of electricity is ___ 2.) Materials that do conduct electricity just not as well as conductors ___ 3.

A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 2.20 m/s. The coefficient of kinetic friction between sled and ice is 0.115. Use energy considerations to find the distance the sled moves before it stops.

You are standing on a scale in an elevator when the cable snaps, sending the elevator car into free fall. Before the automatic brakes stop your fall, you glance at the scale reading.

g An inductor used in a dc power supply has an inductance of 12.0 H and a resistance of It carries a current of 0.300 A. (a) What is the energy stored in the magnetic field

The specific heat capacity of iron is 440j (kgK) How much thermal energy is gained when the temeperature of 800g of iron is raised by 120 degrees C?

How can we describe an atom

What is the volume of a gold nugget that weight 2.20kg. the density of gold is 19g/cm^3 ... ?

Explain how newton's first law of motion can be considered to be a consequence of newton's second law.

Propose a hypothesis for how the position of the ball will affect the amount of its gravitational pull energy

A water-skier is pulled behind a boat by a rope that is at an angle of 13° and has a tension of 490 N. The water-skier has a mass of 49 kg. Draw a free-body diagram showing the forces acting on the skier. (She is being pulled to the right.)