The element aluminum has an atomic number of 13. How many protons are in the nucleus of an aluminum atom? How many electrons does an aluminum atom have?

If the price elasticity of supply for a window manufacturer is 1.5, a. a 10% increase in the price of windows results in a 15% increase in the quantity of windows supplied. b. supply is considered to be inelastic. c.

Reduce the work output reduce the weight of the kayak reduce their input force reduce the speed the boat travels in water

The three types of seismic waves produced by an earthquake are primary, secondary, and A. atmospheric. B. elastic. C. sedimentary. D. surface.

What is the kinetic energy of a 2,000-kg truck that moves at 5.0 m/s? 10,000 J, 50,000 J, 25,000 J, or 2,500 J

The four giant gas planets that are made primarily of lightweight elements are A. Venus, Saturn, Uranus, and Neptune. B. Mercury, Venus, Earth, and Neptune. C. Jupiter, Saturn, Uranus, and Neptune. D. Earth, Saturn, Neptune, and Venus.

Why does momentum have a direction?

What is the difference between weight and mass?

An object has a mass of 8.00 kg. What is the gravitational force on the object by the earth?

Which of the following best characterizes the free energy change ΔG for an endothermic reaction under physiological conditions? A. The sign of ΔG is positive B. The sign of ΔG is zero C. The sign of ΔG is negative D.

In a recent hockey game, one player (m=100kg) was moving at a velocity of 8 m/s when he ran into another player (m=300kg) who was at rest (v=0m/s). After the collision, the two players were stuck together (moving with the same velocity).