What is the kinetic energy of a 1kg ball that moves at 5m/s

Which is true of a radioisotope that is used to date rock formations? It has a long half-life. It is a plentiful isotope. It has a short half-life. It is a rare isotope.

Which of two factors influence the weight of an object due to gravitational pull?

Which of the following balances is affected by the local force of gravity? A) Beam balance B) Analytical balance C) Spring balance

Both carbon dioxide molecules and water molecules have polar bonds. Why then is carbon dioxide a nonpolar molecule while water is a polar molecule?

What experimental evidence led scientists to change from the previous model to this one?

The level of water in an olympic size swimming pool (50.0 meters long, 25.0 meters wide, and about 2.00 meters deep) needs to be lowered 6.50 cm. if water is pumped out at a rate of 4.

A 5kg mass has a force applied that changes its velocity from 8m/s to 2m/s in the same direction what is the change in momentum

True or false: electricity follows a circular pattern?

A diver shines a flashlight upward from beneath the water (n=1.33) at a 36.2° angle to the vertical. At what angle does the light leave the water? Express your answer using three significant figures?

Which is part of an AC generator? armature transformer commutator turbine