A motorist travels a distance of 406 km during a 7 hr period. What was the average speed in (a) km/hr and (b) m/sec?

What is the sequence of energy transformations that occur in a nuclear reactor? a. nuclear energy to mechanical energy to thermal energy to electrical energy. b. nuclear energy to thermal energy to mechanical energy to electrical energy. c.

if a balloon filled with helium weighs 21.6 kg, knowing that helium's density is 0.18 kg/m3 then what is its volume?

What kind of frequency do radio waves have? A. High frequency B. Low frequency

The earths gravity pulls on the moon and keeps it in its orbit. the moons gravity will then___.? a pull on smaller objects such as astroids but has no effect on the earth b pull back on earth c push the moon away from the earth d affect nothing

What is the equivalent resistance for a parallel circuit that has two resistors: 18.0 ohms and 23.5 ohms?

Two balls have the same mass. One ball moving along the positive x axis and the other ball moving along the positive y axis undergo perfectly inelastic collision. What can you say about the motion of the balls after the collision? A.

The back wall of an auditorium is 30.0 m from the stage. If you are seated in the middle row, how much time elapses between a sound from the stage reaching your ear directly and the same sound reaching your ear after reflecting from the back wall?

Your town has decided to build a new power plant to replace the old coal burning plant. Suggest a renewable resource that they could use to generate power. Describe two advantages and two disadvantages of the resource you have recommended.

Volume of a liquid with a density of 5.45 g/mL and mass of 65 g

Maria designs a test to see if lemon trees that receive more water produce larger lemons. Independent Variable - Dependent Variable -