150. Calculate the acceleration in the graph below
Vims
16ms
sms
as
A. 5ms? B. 7.5 ms C.2.5 ms? D.10 ms?

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

What is the temperature in degrees celsius of a substance with a tempature of 49k

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up