A car accelerates at 2 m/s2. Assuming the car starts from rest, how much time does it need to accelerate to a speed of 20 m/s? A. 2 seconds B. 10 seconds C. 20 seconds D. 40 seconds E. none of the above

9. A force does 50) of work on an object at rest with a mass of 4 kg. Which of the following is the final velocity of the object? 25 m/s 5 m/s 3.5 m/s

What is an example of a screw used around the house

What is the english system of measurement

3. The part of the computer that contains the brain, or central processing unit, is also known as the

White light is select one: a. light of wavelength 550 nm, in the middle of the visible spectrum. b. a mixture of all frequencies of visible light. c. a mixture of red, green, and blue light. d. the term used to describe very bright light. e.

What happens to the period of a spring-cart system motion when the system is in orbit inside the international space station?

Ovens, toasters, dryers, and heat lamps are examples of inventions that convert electrical energy to thermal energy, which is a kind of kinetic energy.

Why does Alpha Centauri appear to be yellow-white?

In order to determine speed, you must know

Which of the statements best describes the relationship between the surface of an object and the amount of friction it produces? A.) The smoother the surface of an object, the more friction it will produce. B.