Why does a rock weigh less in water than it does on land?

How many neutrons are in an atom of copper? Round your answer to the nearest whole number.

On vacation, your 1200 kg car pulls a 540 kg trailer away from a stop light with an acceleration of 2.20 m/s2. (a) what is the net force exerted by the car on the trailer?

How much energy will an electron gain if it moves through a potential difference of 1.0 V? a. 1.0 eV b. 0.5 eV c. 2.0 eV d. 1.6 x 10-19 eV

A failure of the red-sensitive nerves in the eye to respond to light properly causes

If we decrease the amount of force, and keep all other factors the same, what will happen to the amount of work? The amount of work will go down because the distance will decrease. The amount of work will go up because the distance will decrease.

Which term defines the energy of motion? a. chemical energy b. electrical energy c. gravitational energy d. kinetic energy user: what is electromagnetic energy that travels in transverse waves? a. nuclear energy b. potential energy c.

The mass of a lift is 600kg. the maximum tensile force that the cable supporting the lift can withstand is 7kN. Calculate:maximum upwards acceleration allowed?

In an experiment if doubling the manipulated variable results in doubling of the responding variable the relationship between the variable is a (n) ?

What color does Indigo turn things?

Why is temperature a good criterion for searching for earth like exoplanets