Dylan has two cubes of iron. The larger cube has twice the mass of the smaller cube. He measures the smaller cube. Its mass is 20 grams, and its density is 7.87 g/cm3. What's the larger cube's volume?

A box of unknown mass is sliding with an initial speed vi = 5.60 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d = 2.30 m long.

According to the concept of length contraction, what happens to the length of an object as it approaches the speed of ligh and then slows down, eventually coming to a stop?

What is the kinetic energy of a 2,000-kilogram boat moving at 5 m/sec?

An object moves at 60 m/s in the + x direction. As it passes through the origin it gets a 4.5 m/s^2 acceleration in the - x direction.

What is the final velocity of the 12 kg rock?

A person jogs 40 km in 32 minutes then 20 km in 22 minutes and finally 10 km in 16 minutes what is his average speed in in per minute

Can an igneous rock become another igneous rock? If so, how?

Which of the following is true about how pressure varies with depth in a fluid? a. Pressure decreases with depth because it must support the fluid weight above it. b. Pressure increases with depth because it must support the fluid weight above it. c.

A car is slowed because the air it is moving through pushes against it. This contact force is know as air ... a) resistence b) impact c) tension d) stress

What are the contract fforcs and non-contact forces?