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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?

When you push something what is that force called

Specific heat refers to the mount of heat required to change 1 gram of a substance

A 11.8-gram sample of zinc is heated to 98.15°C in a boiling water bath. The hot metal is then immersed in 25.35 grams of water that is initially at 21.82°C.

A piece of aluminum foil has a known surface density of 11 mg/cm2. If a 380 milligram hollow cube were constructed using this foil, determine the approximate side length of this cube.

How to find acceleration with mass coefficient of friction and applied force

Which tool would a scientist use to find the mass of an object?

Who are the launched dog on moon A. mark B. lyca C. mcmc D. seul

The excerpt is from an article that Roberto read for science class called "Using the Scientific Method to Study Tomatoes." The student performed an experiment to test his hypothesis about sunlight and plant height using two plants.

Does coffee contain corn? What other food in cafes are corn? Fun fact: Almost all our food comes from corn. Corn wipe out most farmers, and corn is our mainly food. We eat it everyday.

When the amplitude of a wave triples, the intensity changes by a factor of [blank] (1/3,1/9,3,9) When the amplitude of a wave is cut in half, the intensity changes by a factor of [blank] (1/4,1/2,2,4) When the distance between the source and your