A 10 kg block slides on a frictionless surface at 10 m/s. It hits a rough patch 3 meters long with a coefficient of kinetic friction of 0.4. When it reenters the frictionless surface, how fast is it going?

Convert 9.75 millimeters to centimeters.

Gerald is fishing. He uses a bobber that floats on the surface to show him if the line is being moved, and a lure that sits below the surface to attract fish. Gerald is fishing.

How could you add more energy to spinning spirals

Complete these sentences. If a bouncing ball has a total energy of 20 J and a kinetic energy of 5 J, the ball's potential energy isJ. If the kinetic energy of the ball decreases, then the potential energy will.

Name the type of particle formed by covalent bonds

How do you found wave speed by using wavelength and frequency

A mixture is red, you can see through it but the particles settle out. what type of mixture is it

What electromagnetic waves are dangerous for humans?

Consider a thermometer at room temperature 20.0 ◦C. We now place it inside a water tank whose temperature is at 30.0 ◦C. After one minute, it shows the temperature at 29.8 ◦C.

When the boy tire maker married the girl tire maker what did everyone say?