Which best describes a force?

a vector with magnitude and direction

a vector with speed and strength

a vector with direction only

a vector with strength only

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What must a system owner do, once the threshold leak rate has been exceeded on any low-pressure system using an ozone-depleting refiigerant?

A neutral metal comb is held near an object with a negative charge. What happens to the comb? A. The comb is charged by contact. B. The comb is charged by friction. C. The comb is charged by static discharge. D. The comb is charged by induction.

How does friction affect moving objects?

A car is moving with a constant speed of 20. meters per second. What total distance does the car travel in 2.0 minutes? (1) 10. m (3) 1200 m (2) 40. m (4) 2400 m

A box is being pulled to the right. What is the direction of the gravitational force? up down right left

If the Coast Guard warns of a giant wave of water approaching the shore as a result of a major earthquake, they are warning of a. an aftershock. b. liquefaction. c. a tsunami. d. landslides.

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