Describe the circumstances for which the output work would equal the input work in a machine.

You are designing a delivery ramp for crates containing exercise equipment. The 1470 N crates will move at 1.8 m/s at the top of a ramp that slopes downward at 22.0°.

Which of the following layers in Uranus' atmosphere is the densest part? Stratosphere Troposphere Thermosphere Uranus does not have a dense atmosphere.

What is The most basic unit of an Element on the Periodic Table Question 1 options: DNA carbon center Atom (which contains protons, neutrons, and electrons) nucleic acid

A 0.25 kg baseball is in contact with a bat for 0.0075 s and exerts a force or Tour 33 kg. 140 kg. 4600 kg 74,000 kg.

Scientists classify rocks by

A new object has been discovered in the solar system. In your own words, justify how the object can be proved to be a comet.

What is cosmic microwave background radiation?

Ocean water has a salinity of 35 parts per thousand. Fresh water has a salinity of less than 0.5 parts per thousand. What can you conclude from this information? A. Ocean water is rich in salt minerals. B.

You decide to add up all the work you did yesterday. If you accomplished 10,000 newton·meters of work yesterday, how much work did you do in units of joules?

What causes day and night on earth?