In which situations is gravitational potential energy prensent

A 75.0 kg students sits 1.15 m away from a 68.4 kg student. What is the force of gravitational attraction between them? Give answer in scientific notation.

When electrons move closer to a more electronegative atom, what happens?

When 43 volts are connected across a resistor, the current through the resistor is 4.8 amps. What is the resistance of the resistor (in ohms) ?

An electronic instrument that measures power and frequency of electronic signals is the A. spectrum analyzer. B. datalogger C. multimeter D. nanometer Student Answer: C

The opposite poles of two magnets will do which of the following a. attract one another B. repeal one another c. attract or repel one another depending on orientation d. not interact with one another

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?