You carry a 20 n bag of dog food up a 6 m flight of stairs. how much workwas done?

If f is the magnitude of the force on the test charge due to only one of the other charges, what is the magnitude of the net force acting on the test charge due to both of these charges?

What would be the effect of loss of biodiversity in an ecosytem

Match these items. 1. De Magnete (A) magnetite 2. iron oxide (B) demagnetize 3. man-made magnet (C) William Gilbert 4. strength decreases rapidly with distance (D) Oersted 5.

Which of these statements best explains why trees in a forest do not grow very close to one another? Their seeds blow away from them. Deer eat the newly sprouted seedlings. Trees are harvested by lumber companies.

The speedometer in your car reads 55mi/h this represents ___ of the car

How much power is reqired to lift a 10-n box 2 meters

Dolphins and other sea creatures can leap to great heights by swimming straight up and exiting the water at a high speed. A 200 kg dolphin leaps straight up to a height of 7.8 m.

An example of renewable energy resource is ... A - uranium B - Wind C - natural gas

The power of a 1.5-volt alkaline cell varies with the number of hours of operation. A brand new D-cell can deliver as much as 13 A through a copper wire connected between terminals. Determine the power of a brand new D-cell.

You measure a watch's hour and minute hands to be 7.4 mm and 12.1 mm long, respectively. Part A In one day, by how much does the distance traveled by the tip of the minute hand exceed the distance traveled by the tip of the hour hand?