Which of the following planets has a diameter that is larger than the diameter of the Earth?

What is the correct defenition of velocity

Zebras are classified as vertebrates because they have two germ layers. bilateral symmetry. a backbone. a brain.

An object changed its velocity by 19m/s over a time of 3s. What was its rate of acceleration

Bees often work together for the greater good of the hive. Sometimes they can get excess charge on them. Four pairs of bees, which can be represented as identical, conducting spheres, bump into each other in the hive.

Particle A has half the mass and eight times the kinetic energy of particle B. What is the speed ratio vA / vB?

Ron bicycles forward with an acceleration of 2.1 m/s2. If he is applying a forward force of 195 N, what is his mass?

Diane swim 5 kilometers against the current in the same amout of time it took her to swim 15 kilometers with the current. The rate of the current was 2 kilometers per hour. How fast would diane swim if there were no current?

A man paddles a canoe in a long, straight section of a river. The canoe moves downstream with constant speed 5 m/s relative to the water. The river has a steady current of 1 m/s relative to the bank. The man's hat falls into the river.

In an atom, almost all of the mass is concentrated in a tiny nucleus because

A truck travels down the highway at a speed of 110 km/hr. How long does the trip last if the truck covered 2200km?