What characteristics would an Earth-like planet need to have to support life?

What equations can you use to solve for maximum height?

The strength of the gravitational attraction depends on the mass of the objects involved and on the distance between them. The gravitational force between two objects will be lowest in which of the following situations?

A 9 V battery sends a current of 0.5 A through a resistor. What is the value of the resistance?

A camera, a drill, and a hand-squeeze flashlight use either a generator or a motor as a component. Identify which component each device uses.

Which of the following is not a constant or control for this experiment? a. type of plant b. the amount of soil c. the amount of water d. the amount of time in sun

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.

Which statements accurately describe the Doppler effect?

Describe how mass and distance affect gravitational force.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?

A wave has a wave length of 2 m and a frequency of 500 Hz, what is its speed?