Is hydroelectric energy inexhaustible?

When may it be a good idea to use scientific notation or Si prefixes?

Which of the following best describes acceleration A. Acceleration is the rate of change of position of an object. B. Acceleration is the rate of change of the direction of an object. C. Acceleration is the rate of change of force of an object. D.

A horse is walking along a trail. First, his rider has him proceed on a winding trail 5 km west and the 6 km north. What is the horse's final displacement distance?

Long hair in the laboratory setting must be

Elements are arranged in the periodic table based on various patterns. For example, the element magnesium (Mg) A. has a higher atomic mass than the element sodium (Na). B. has a lower atomic mass than the element beryllium (Be). C.

A 15 g turntable is covered with a uniform layer of dry ice that has a mass of 9.0 g. The angular speed of the turntable and dry ice is initially 0.75 rad/s. What is the angular speed of the turntable once all the dry ice has evaporated?

Rainwater was collected in water collectors at thirty different sites near an industrial basin and the amount of acidity (pH level) was measured. The mean and standard deviation of the values are 4.60 and 1.10 respectively.

A hot air balloon is rising straight up at a constant speed of 7 m/s. when the balloon is 12.0 m/s above the ground, a gun fires a pellet straight up from ground level with an initial speed of 30.0 m/s.

The atmosphere is an). O element O molecule O mixture O compound

What is the velocity of the car, in meters per second, just after it hits a 135-kg deer initially running at 10.5 m/s in the same direction? Assume the deer remains on the car.