When a loose brick is resting on a wall, it has energy. When the brick is pushed off the wall and is falling down, the amount of energy is decreasing while the amount of energy is increasing.

Một chiếc thuyền có tốc độ 15 km / h trong nước tĩnh lặng đi 30 km về phía hạ lưu và trở lại trong tổng cộng 4 giờ 30 phút. Tốc độ dòng chảy (theo km / h) là:

Jack is planning an experiment to see how temperature can affect the reproduction rate of a certain species of bacteria. Jack is listing some of the variables that could affect the outcome of the experiment.

A tuna fish outs streamlined to reduce friction. Which describes the type of friction the fish must overcome

One advantage of a fever is that it can slow down the

It requires 350 joules to raise a certain amount of a substance from 10.0°C to 30.0° c. The specific heat of the substance is 1.2 J/g° c. What is the mass?

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