An object with mass M slides down a frictionless hill with a height H. What is the velocity of the of the object at the bottom of the hill if it started from rest?

- is it 0?

True or False: The Q value (the RBE) for alpha particles is higher than the Q value of neutrons and beta particles.?

What moon phase would you find when the Earth, Sun, and Moon make a 90-degree angle to each other?

Rays of light strike a bumpy road and are reflected. What can be predicted about the reflected rays? They will not follow the law of reflection. Each will reflect at the exact same angle of reflection. They will all travel in the same direction.

Which type of energy is converted into mechanical energy when a person walks? A. Electromagnetic B. Electrical C. Nuclear D. Chemical

In which latitude would you most likely find a hurricane forming? a. 40 b. 30 c. 0 d. 15

What is the weight on earth of a girl with a mass of 38 kg?

50g of ice at 0°C is mixed with 50g of water at 80°C, what will be the final temperature of a mixture in degrees C?

If the Density of an object is 5.2 g/cm3, and its volume is 3.7 cm3, what is its mass

The direction of the magnetic field is determined by which of the following? A. energy of the current B. magnetic domain C. magnetic force D. direction of the current

A ship is traveling at 154 m/s and accelerates at a rate of 1.80 m/s^2 for 1 minute. What will its speed be after that minute? Calculate the answer in both meters per second and kilometers per hour.