3
the manufacturer of a machine said that it is 86 percent
efficient. if you use 70 joules to run the machine (input work),
how much output work will it produce?

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.