True or false? Radiant energy is generated by a petunia on Tuesday.

Does a mechanical wave transmit energy through a vacuum

Finding the spring constant as shown, spring 3, which has an unknown spring constant k3, replaces spring 2. the mass of the weight and pulley are unchanged: m=5.8 kg and mp=1.7 kg.

A camcorder has a power rating of 16 watts. If the output voltage from its battery is 7 volts, what current does it use? Answer and units?

How far could a truck driving down a highway at 110 km/h travel in an hour and a half? A. 110 km B. 140 km C. 160 km D. 165 km

A 48-kg woman pushes a 12-kg grocery cart with a force of 24 N. What is the magnitude of the force that the grocery cart exerts on the woman? A. 96 N B. 24 N C. 12 N D. 6.0 N

Type of energy transformation that occurs in Hairdryer? a. chemical energy-electrical energy-mechanical energy b. electrical energy-thermal energy c. electrical energy-thermal energy d. mechanical energy-electrical energy

Geothermal energy plants are a viable alternative energy source because they

To become positively charged an átom must

A car initially traveling at 60 km/h accelerates at a constant rate of 2.0 m/s2. how much time is required for the car to reach a speed of 90 km/h?4

A boat travels at 15 m/s in a direction 45 east of north for an hour The boat then turns and tra direction 5° north of east for an hour! What is the magnitude of the boat's resultant velocity? Round your answer to the nearest whol.