The specific heat capacity of aluminum is 0.22 cal/g°C. How much energy needs to flow into 20.0 grams of aluminum to change its temperature by 15°C?

0.017 cal

0.29 cal

66 cal

1363 cal

When you cut a board with a power saw as compared with a handsaw, how much work do you do with the power saw? A. less work in less time B. the same amount of work in less time C. more work in less time D. less work in more time

ASuppose a suitcase has a mass of (m) 30 kg and a net force (N) of 10 kg*m/s. What is the acceleration rate of the suitcasein m/s? Show your work to support your answer.

How many times does 30.48 go into 106, 650?

An input for of 80 N is used to lift an object weighing 240 N with a system of pulleys. How far must the rope around the pulleys be pulled in order to lift the object a distance of 1.4 m?

Does chimp feed more on seeds or leave during May

A flashlight is an example of

Into how many main groups are fish divided? a. one b. two c. three d. four

A dragster going at 5 m/s north increases its velocity to 23 m/s north in 4 seconds. What is its acceleration during this time interval?

Write the minkowski version of newtons seconds law in terms of proper acceleration

47. What is necessary for differentiation to occur in a planet? a. It must be made of metal and rock. b. It must be made of a mix of materials of different density. c. Material inside must be able to flow. d. all of the above e. B and C