Which statements describe vectors? Check all that apply. - Vectors have magnitude only. - Vectors have direction only. - Vectors have both magnitude and direction. - Vectors are drawn using a curved line. - Vectors are drawn using an arrow.

Why do we have thunder storms

19. A young woman named Kathy Kool buys a superde- luxe sports car that can accelerate at the rate of 16 ft/s2. She decides to test the car by dragging with another speedster, Stan Speedy.

Lakes and ponds which have limestones or calcium carbonate are affected less by acid rain than those which have granite. This is because ... A) granite solutions are basic and neutralize the acid rain.

What is the action and reaction of an object pushing up another object

After recovering refrigerant from a sealed system if nitrogen is used to pressurize or blow debris out of the system the nitrogen:

How are magnetic stripes near mid-ocean ridges evidence for sea-floor spreading?

If a truck has a mass of 2 x 106 grams and a velocity of 35m/s, what is its momentum? kgm/s a. 2 million b. 70 c. 57.14 d. 70,000 e. 57,100

A scientist heats a piece of iron until it is glowing white-hot. he places the metal inside a metal box. he removes all of the air from the inside of the box.

Johanna is studying what happens to the energy as a ball rolls down a ramp. What is she studying? Check all that apply. 1. gravitational potential energy 2. electrical energy 3. kinetic energy 4. mechanical energy 5. elastic potential energy

The density of sugar is 1.59 g/cm3. the mass of a sample is 4.0 g. find the volume of the sample