What would the temperature of 50g of 20 degree Celsius water mixed with 80g of 40 degree Celsius water?

Convert 1.4*10^9km^3 into cubic meters

Why is carbon monoxide such as dangerous form of indoor air pollution?

Which is not a renewable energy resource?

Which gas law describes the relationship between temperature and pressure at a constant volume

As the drawing illustrates, a siren can be made by blowing a jet of air through 20 equally spaced holes in a rotating disk. The time it takes for successive holes to move past the air jet is the period of the sound. The siren is to produce a 2087.

How to find acceleration

Which of the following involves the emission of a particle that has the same mass of an electron with a positive charge. a. alpha decay c. positron emission b. beta decay d. nuclear forces

Which of the following is an example of distance

What outside force slows down a parachute?

A cable applies a vertical force to a crate with a mass of 70.0 kg. It first lifts the crate to a height of 12.0 m above the floor, and then lowers it back to the floor. What is the total work done by the force?