Give two examples where friction is a nuisance

How long does it take for the earth to make one full rotation

Modern nuclear bomb tests have created an extra high level of14C in our atmosphere. When future archaeologistsdate samples from this era, without knowing of this testing, willtheir dates be too young? too old? correct? if correct, why? a. too oldb.

Although one can electrify a glass rod by rubbing it with silk, no net charge is created. a. True b. False

The earth has about 80 times the mass of the earth's moon. the gravitational force exerted on the moon by the earth has what relation to the gravitational force exerted on the earth by the moon?

Scientists are experimenting with a king of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 5.0kg projectile from rest to speed of 4.0 x 10^3 m / s.

The speed of light is now to be defined 2.99792458x10^8 m/s express the speed of light to three significant figures five significant figures seven significant figures

An element that is a very reactive gas is most likely a member of what group?

Describe the concept of orbital motion as it relates to the earth., moon and sun

Which statement about human behavior would john B. Watson support

What action happens if the moon spins on its axis like a top