A test taker makes an estimate for a 30-second time interval. The estimate is 34.5 seconds. What is the percent error in this example?

A metal bolt with a mass of 8.50 x 10^-2kg and a temperature of 85.0 degrees Celsius is placed in a container of water. The mass of the water is 0.150 kg, and its temperature is 25.0 degrees Celsius.

Calculate the efficiency of an engine if the work input is 300. j and the work output is 100. j

What is the relationship between tissue fluid and lymph?

21) An aspirin has a mass of 325 mg. If the mass of the aspirin could be converted to energy with 100% efficiency, how many joules of energy would be produced?

The element with the same name as the fictional planet from which Superman came"?

At what temperature (in K) will 1.0 mol of gas occupy 1.0 m3 at a pressure of 1.0 * 10^4 pa

Which best compares freezing and condensation? a. Both involve changes between liquids and gases. b. Both involve changes between gases and solids. c. Both involve the release of heat. d. Both involve the absorption of heat.

The forklift exerts a 1500 N force on the box and moves it 3 M forward to the stack how much work does the forklift do

In which situation would a space probe most likely experience centripetal acceleration?

Oil is less dense than water, which is less dense than syrup. If you put these three liquids in a column, in what order would they layer from top to bottom?