What is the formula of efficiency, in terms of power?

How many total atoms are represented by the formula: 4H2SO4 A) 12 B) 16 C) 24 D) 28

A 225 kg red bumper car is moving at 3.0 m/s. It hits a stationary 180kg blue bumper car. The red and blue bumped cars combine and hit a stationary green bumper car of mass 150kg. The red, blue and green bumper cars all combine.

When jump starting a vehicle, once the stalled vehicle is successfully started, remove the cables in the same order in which they were connected?

The force of attraction or repulsion between charged objects depends

Give two examples of solutions we need in our lives.

when two object P and Q are supplied with the same quantity of heat, the temperature change in P is observed to be twice that of Q. The mass of P is half that of Q. The ratio of the specific heat capacity of P to Q

Why do we say energy is the ability to do work

Explain the difference between mass and weight (in at least 2 sentences)

Is it possible for a nazi style government to exist in the modern world? Explain why or why not.

What is likely to happen if a balloon that was blown up at a low altitude is brought to a high altitude? Why would this occur?