What is the average speed for a car driving a distance of 186 meters to the north in a time of 28 seconds?
a
6.64m/s
b
9.15m/s
c
3.64m/s
d
7.64m/s
e
9.64m/s

Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

How is zig zagging a form of acceleration?