Determine the value of impulse from this graph of momentum vs. time.

Momentum (kg. m/s)

0

6

2 4

Time (seconds)

A.

9 newton seconds

B.

12 newton seconds

C. 18 newton seconds

D.

20 newton seconds

A light bulb is connected to a 2V supply and experiences a current of 6.4A. What is the power rating of the bulb?

A cathode ray tube is made of glass with a small amount of some kind of gas in it. It has metal electrodes at each end to pick up an electric current.

Why scientifically died it hurt when you stub your toe in the corner of a wall?

In the English system of units, power is expressed as horsepower (hp) instead of watts, where 1 hp = 746 W. What would be the power rating of a 100 W light bulb in horsepower?

Which of the following is a primary cause of prevailing wind patterns? A. Coriolis effect B. transpiration C. continental drift D. volcanic gases

While in empty space, an astronaut throws a ball at a velocity of 12 m/s. what will the velocity of the ball be after it has traveled 6 meters?

Which of the following statements are true? (Select all that apply.) Ammeters have a relatively high resistance and are placed in parallel with a resistor. Ammeters have a very low resistance and are placed in series with a resistor.

If a boulder has a weight of 675,000 N what is it's mass

How does the mass of something affect the potential energy?

You walk into the kitchen and see a broken egg on the floor. Which of the following is an inference you can make based on this observation? A. The egg rolled off the kitchen counter. B. The dog will eat the egg on the floor. C.