What's the momentum (in kg-m/s) of a cannonball with a mass of 21 moving with a velocity of 25 m/s?

Name two ways the properties of iron and oxygen are different from the compound iron oxide (rust).

The sun converts - - - energy into - - - energy.

A snail travels 300 cm in 1 hour. Calculate the snail's speed in each of the following units A. centimeters per hour (cm/h) B. centimeters per minute (cm/min) C. meters per hour (m/h)

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

Which planet has a cratered surface similar to earth's moon?

Two main pieces of evidence support the big bang theory and the idea that our universe is continually expanding: Doppler shift and cosmic background radiation. Explain how these phenomena provide evidence of the expansion of the universe.

How was bohr atomic model similar to Rutherford's model

A rigid container filled with a gas is placed in ice. What will happen to the pressure of the gas? And what will happen to the volume?

A man is sitting on a 20 m height building and his mass is 50 kg. Calculate the mechanical energy.

Which of the following correctly describes which types of waves travel through which types of mediums? A) Transverse waves travel through solids, liquids, and gases.