If you pull on a box that weighs 100 kilograms with a force of 75 newtons, but you just can not budge the box and it does not move at all, how much work did you do?

During which season is productivity the greatest in temperate waters?

What type of potential energy allows you to throw a ball

Streams have a detectable current, while rivers do not.

What properties characteristics we use to tell the difference between of matter

A ball is released from a hot air balloon moving downward with a velocity of - 10.0 meters/second and a height of 1,000 meters. How long did it take the ball to reach the surface of Earth? Given: g = - 9.8 meters/second2

What are starburst galaxies and what do they have to do with galaxy evolution?

Six light bulbs are connected in series with a 9.0 volt battery. What is the voltage across each bulb?

Can an object travel at the speed of light? Why or why not?

It's a hot and sunny day and you decide to go for a drive. When you open your car door, it's a lot hotter than outside. Why is that

Which compound is composed of oppositely charged ions