How much force is needed to accelerate an object of mass 90 kg at a rate of 1.2 m/s2? 0.013 N 75 N 108 N 1080 N

A conducting rod (length = 80 cm) rotates at a constant angular rate of 15 revolutions per second about a pivot at one end. A uniform field (B = 60 mT) is directed perpendicularly to the plane of rotation.

Which of these would be different for an object if measured on the Earth and on the moon?

7. Calculations. a. If an object has a mass of 20 kg and has a force of 100 N exerted on it, what would be its acceleration? Show your work, including which formula you used!

A 1.29 kg book in space has a weight of 7.77 N. What is the value of gravitational field at that location?

A refrigerator causes a transfer of thermal energy from a cooler region to a hotter region. The separation of hot and cold causes an increase in order. The following two questions deal with this situation. 1.

Which of the following is not a receptor pair according to the opponent process theory? A. red versus green B. yellow versus blue C. black versus white D. yellow versus red

A scientist adds different amounts of salt to 5 bottles of water. He then measures how long it takes for the water to boil. what is the dependent variable in this experiment?

Bacteria which do not live in extreme conditions are found in this kingdom:

How many moles of h2 gas would be contained in 4.00 of the gas at 202.6KPa and 127c?

Which of The following are classiFcatons describing how rock and oTher maTerial movedownslope? a. Fall, b. slide, c. slump, d. creep, e. fow