20 kg object travels 28 meter and stops. coefficient friction = 0.085 how much work was done by friction?

Differentiate the composition and texture of a plutonic igneous rock and a volcanic igneous rock.

Which type of kind of wave causes the medium to vibrate only in a direction parallel to the waves motion?

What units would be used to describe the surface gravity of Mars?

What do scientists think cause the movement of crustal plates

A 282 kg motorcycle moves with the velocity of 4 m/s what is the kinetic energy

The kinetic energy of a sliding block came from the: kinetic energy of the string. kinetic energy of the board. gravitational potential energy of the block. gravitational potential energy of the mass on the hook.

A less-massive object is moving in the same direction as a more-massive object, but with a higher speed. They experience an inelastic collision. Describe the speed of the more-massive object after the collision.

At a given location in space, the magnetic field in an electromagnetic wave is increasing. How is the electric field changing at that same location? a. The electric field is increasing. b. The electric field is decreasing. c.

What determines the properties of an object

If you hit a wall, will the force that you exert on the wall be greater than, or less than, or equal to the force that the wall exerts on you. Explain your answer.