When the temperature of a gas in a balloon is reduced by half, the average kinetic energy of the particles is
a. reduced by half.
b. reduced by one-quarter.
c. increased by half.
d. increased by one-quarter.

Four potential forces can act on the ball. which combination of forces will keep the ball in static equilibrium? the length of the arrows represents the magnitude of the force.

Alivestock company reports that the mean weight of a group of young steers is 1100 pounds with a standard deviation of 93 pounds. based on the model n(1100,93) for the weights of steers, what percent of steers weigh a) over 1050 pounds? b) under 1300 pounds? c) between 1150 and 1250 pounds?

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.