Calculate (i) the deceleration of the car between t = 0.9 s and t = 4.0 s,
deceleration = [2]
(ii) the total distance travelled by the car from t = 0 s.
distance = [3]

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.