A weightlifter can lift 220lbs. (assume 1kg weighs 2.2lbs) If he lifts the weight 2m above the floor, how much work did he do?

Follow up: if the weightlifter lifts the weight 1.2 seconds, how much power does he generate?

Air at 20ºc with a convection heat transfer coefficient of 25 w/m2·k blows over a horizontal steel hot plate (k = 43 w/m·k). the surface area of the plate is 0.38 m2 with a thickness of 2 cm.

A 6.00-mu F capacitor is connected to a 12.0-V battery. How much energy is stored in the capacitor? to the product of the capacitance of the capacitor times the potential difference across the capacitor.

Which best describes the relationship between period and frequency of light waves?

A lead ball has a mass of 55.0 grams and a density of 11.4 g/cm3. what is the volume of the ball?

The density of a block of wood with a mass of 100 grams and a volume of 50 cubic centimeters is A. 2 g/cm3 B. 5,000 g/cm3 C. 500 g/cm3 D. 0.5 g/cm3

Which of the following is an example of the strong nuclear force acting in an atom? A. A proton repelling a proton B. A neutron attracting a neutron C. A neutron repelling an electron D. An electron attracting a proton

Does the air in our atmosphere have mass?

Your instructor hands you a closed flask partly filled with room-temperature water. When you hold it, the heat transfer between your bare hands and the flask causes the water to boil. Quite impressive! How is this accomplished?

Drag each label to the correct location on the chart. Sort the items based on whether they are simple machines or compound machines. sewing machine pair of tongs fishing rod and reel seesaw wheelbarrow crane Reset Next

How long do you stay in school here in Auburn schools