What is the potential energy of a one kilogram box of chocolates hidden on a

shelf in the pantry 2 meters above the floor?

a) 96.1 J

b) 2 J

c) 19.6 d) 9.8 J

5. In order for an F-18 fighter jet to take off from an aircraft carrier, it needs to reach a speed of 73 m/s by quickly accelerating down a 90 m long runway.

Which of the following could be used as biomass fuel? Check all that apply. A. Rocks B. Corn stalks C. Plastic D. A tree

What minimum radius must a large conducting sphere of an electrostatic generating machine have if it is to be at 20000 V without discharge into the air? How much charge will it carry?

3. The sun is directly overhead at the equator on what day of the year? A. Solstice B. Ecliptic C. Zenith D. Equinox

Which statement best describes the properties of surcrose

The voltage across the primary winding is 350,000 V, and the voltage across the secondary winding is 17,500 V. If the secondary winding has 600 coils, how many coils are in the primary winding? 30 583 12000 332500

A 200 watt t. v. is used for 20 hours in a week. If it is used for four weeks then what is cost of electricity if rate is 5rs/kwh

In an experiment, the control is never changed by the scientist not important to the scientist not recorded by the scientist changed by the scientist

When you catch a baseball, what kind of work do you do, negative or positive? by catching the ball, what do you change? what energy does it gain or lose?

All describe work except A) a team of dogs dragging a sled B) a jokey sitting on a horse C) a bowler lifting a bowling ball