When an unbalanced force acts on an object,

A. the weight of the object decreases.

B. the inertia of the object increases.

C. the object accelerates.

D. the object's motion does not change.

Harold is worried that his young son has not yet developed an understanding of object permanence. What is one piece of information that he would most likely benefit from knowing? a.

Which of the following correctly arranges the planets by the size of their diameter in increasing order?

The power input into the food processor is 1150W. The power of the spinning blade is 900W. Calculate how much energy is wasted when the food processor is used for two minutes. show clearly how you get to your answer and give the unit.

Which of the following is a product of respiration resulting from the breaking of carbon-carbon bonds

A twig from a tree drops from a 200m high cliff on to a beach below. during its fall 40% twig's energy is converted into thermal energy. what is the speed with which the twig hits the beach?

Why can't there be a number lower than absolute zero

How much force is needed to accelerate a 1750-kg car at a rate of 3 m/s2?

If a coil is rotated in a magnetic field at twice the speed - - ie twice the frequency - - the amplitude of the EMF induced in the loop will ... A. remain unchaged B. reduce by half C. double

What happens when Dr. Hewitt places a current - carrying wire between the poles of the magnet for the first time?

Carbohydrates are made of hydrogen, oxygen, and which of the following? A. nitrogen B. carbon C. helium D. argon