A magnetic field produced by a current has the following characteristic (s)

A. their field can be turned on and off

B. they can have their strength changed

C. their direction could be reversed

D. All of the above

E. none of the above

How do contact and non-contact forces affect the design of different modes of transportation?

The S. I unit of force

10 How are bacterial cells different from plant and animal cells? A Bacterial cells Bacterial cells contain many more cell organelles. Bacterial cells contain almost no cell organelles. Bacterial cells have more complex cell organelles.

A scientist does an experiment on mice. She feeds one group of mice regular food and a second group of mice blueberries. The scientist keeps all of the other conditions exactly the same.

g Consider two blocks of masses m1 and m2 at the top of two frictionless inclines, respectively. Both blocks start to slide down from rest at the same height.

Electric current can best be induced in a wire by a. stretching the wire. b. moving a magnet up and down near the wire. c. setting the wire near a magnet. d. rotating the wire. E. none of the above

A car traveled 176 miles on 6.4 gallons of fuel the car averaged how many miles per gallon

Which of these describes how heat is transferred by radiation? A.) Warm air rises and takes heat with it; eventually it cools and sinks. B.) Sunlight travels through space without the aid of fluids or solids. C.

A body is moving with a velocity of 12m/s and it comes to rest in 2 minutes, what was the acceleration?

How can you find magnitude of velocity from a displacement time graph of an object?