Will an object with more mass roll faster down a hill?

A particular solid is electrically charged after it is rubbed, but it is not known whether its charge is positive or negative. How could you determine which charge it has by using a piece of plastic and fur?

Metals are good conductors of electric current for which of the following reasons? They possess high concentrations of protonsThey possess low concentrations of protonsThey possess high concentrations of free electronsThey possess low concentrations

A 0.0100 kg ice cube at 0 degree C is melted, warmed to 100 degree C, then boiled off. How much heat did the water absorb

The SI unit for energy is the Joule (J). Sam wants to convert 338.25 J into kJWhich operation should he choose? a. He should multiply 338.25 by 10. b He should multiply 338.25 by 100. c He should divide 338.25 by 100. c He should divide 338.

Winds generally flow away from the equator and toward the poles. What transfer does this flow of wind cause?

What are some methods humans have used to control flooding and what has been done to worsen the effects of flooding?

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.

Most of the mass of the Milky Way exists in the form of: a.) starsb.) gasc.) dustd.) dark matter

A 55kg cart is pushed by a force of 225 n. what is the carts acceleration?

F we wanted to compare muscular endurance between a very large person and a very small person, what method would be the best method to use? a. absolute method b. maxing out c. callisthenic method d. fixed percentage of rm method