What is the mass of an object that requires a force of 30 N to accelerate at a rate of 5 m/sec2?

What are the uses of nuclear power?

Using the chart, determine the amount of Co-57 present on January 21 if you had a sample of 8g on January 1st. A) 2 g B) 4 g C) 16 g D) 25 g

In the Bohr model of the hydrogen atom, the electrons can exist only in circular orbits of certain radii. a. Will larger orbits have higher, lower, or equal potential than a smaller orbit

Researchers aboard the H. M. S. Challenger discovered over 4000 new species of marine life. true or false

The thickness of a $1 bill is 0.11 mm. If you have a stack of $1 bills 450 m tall, how much money do you have?

What does the ozone layer absorb? a. Microwaves c. UV radiation b. X-rays d. Infra-red radiation

An object is undergoing shm with period 0.900 s and amplitude 0.320 m. at t = 0 the object is at x = 0.320 m and is instantaneously at rest. calculate the time it takes the object to go (a) from x = 0.320 m to x = 0.160 m and (b) from x = 0.

Your friend states in a report that the average time required to circle a 1.0-mi track was 49.325 s. This was measured by timing 10 laps using a stopwatch with a precision of 0.01 s. Do you believe his results are reliable? Explain.

The forklift exerts a 300.0 N force on the box and moves it 15.0 m into the air. How much work does the forklift do? A. 500 J B. 1.50 * 10^3 J C. 4.50 * 10^3 J D. 0.00 J

Why the room gets hot even we open the door of refrigerator?