2) A force of 5.0 N acts on a 4.0 kg object for 8.0 Seconds.

a) What is the objects change in momentum?

A car traveling in a straight line has a velocity of 3.79 m/s at some instant. After 5.4 s, its velocity is 11.9 m/s. What is its average acceleration in this time interval? Answer in units of m/s 2

You are driving a bus. When you begin your route, there is an old woman named Mrs. Smith and a young boy named Raymond are on the bus. At the first stop, the old woman leaves, and a salesman, named Ed, enters.

An amusement park ride spins you around in a circle of radius 2.5 m with a speed of 8.5 m/s. If your mass is 75 kg, what is the centripetal force acting on you? A. 1530 N B. 2168 N C. 255 N D. 2359 N

Which of the followin are chemical changes? check all that apply: gasoline is evaporated, water is frozen, water is boiled, water is heated up, gasoline is burned

25. You lift a book from the floor to a bookshelf 1.0 m above the ground. How much power is used if the upward force is 15.0 N and you do the work in 2.0?

Why does the closed top of a convertible bulge when the car is riding along a highway? Why does the closed top of a convertible bulge when the car is riding along a highway? The air pressure is greater outside the car than inside.

Is a white shirt cooler or warmer in the sunlight?

A stone is thrown vertically upward with a speed of 18.0. (a) How fast is it moving when it reaches a height of 11.0? (b) How long is required to reach this height? For part A) I did: y=11m, g=9.

What object or class of objects makes up most of the solar systemâs mass?

Carole is very tired and makes coffee. why would newton say that she must use her hand to put up the cup