800 joules of work was done lifting a 200 newton box to a shelf directly above the box. How many meters high was the shelf?

What provides the power to move the cutting blade on a sawmill?

The length of time it takes a planet to revolve around the sun is equivalent to witch of the following?

A car not engine has an efficiency of 22.0%. it operates between constant temperature reservoirs with a difference of 75d degrees Celsius. what are the temperature of the two reservoirs

Which of the following is a physical change? adding acid to milk to form sour cream, adding enzymes to milk to form cheese, adding bacteria to heated milk to form yogurt, adding sugar to milk to form sweetened milk

50 J of work was performed in 20 seconds. how much power was used to do this task?

A magnifying glass or a hand lens is a bi-convex lens. It is convex on both sides, meaning that the glass is curved outward to form a dome. Things look bigger looking through convex lenses.

How can you use a clock to find a time interval? and what is time interval?

Which word is NOT a conjunctive adverb? Additionally However Moreover Because

You are at a train station, standing next to the train at the front of the first car. The train starts moving with constant acceleration, and 9.0 s later the back of the first car passes you.

What is an example of water transferring from the atmosphere to the cryosphere?