14) A car is traveling with a velocity of 78.6 m/s to the East when it applies the brakes and slows to 32.6 m/s. What was the change in velocity of the car?
What you know
Equation
Work
Answer with unit

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.