Which is true about the total mechanical energy of a pendulum in the absence of friction?

1. It exhibits constant velocity motion.

2. It exhibits simple harmonic motion.

3. It exhibits circular motion.

4. It exhibits only upward motion.

Most high mountain ranges are composed of

What is the velocity of a car that travels 556km northwest in 3.2 hours

What's an impure potassium carbonate

A wave has a frequency of 34 Hz and a wavelength of 2.0 m. What is the speed of the wave? Use. A. 17 m/s B. 36 m/s C. 0.059 m/s D. 68 m/s

What happens to an object when a constant pushing (or pulling) force exerted on it is greater than the frictional force? A. The object will accelerate. B. The forces become balanced. C. The frictional force is eliminated. D.

What is the total number of atoms in the following formula? CaBr2 4 3 2 1

Object A with a mass of 500 kilograms hits stationary object B with a mass of 920 kilograms. If the collision is elastic, what happens after the collision? A) Both object A and object B move forward but with different velocities.

A young man walks daily through a gridded city section to visit his girlfriend, who lives m blocks East and nblocks North of where the young man resides.

Aliens from planet Moby have three alleles for skin color: R (red) W (white) and B (Blue). If all of these alleles are codominant and aliens on planet moby can only inherit two alleles for a gene, what are the six possible genotypes for skin color

The difference between two numbers is 15. When twice the smaller number is subtracted from three times the larger number, the difference is 58. What is the larger number?