What is the angular velocity of a car that turns a 1/4 turn curve in 4 seconds? A) π / 8 rad
B) π rad
C) π / 4 rad
D) 2π rad

Write short note on the following ; collision theory, rotation angle and angular velocity, centripetal acceleration, coriolis force, and newton's law of gravitation.

Hey student studies gravity using objects that have the same mass which two objects have the greatest gravitational force acting between them a. 100kg 1.0m 100kg b. 100kg 2.0m 100kg c. 100kg 2.0m 100kg big d. 100kg big 3.0m 100kg big

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same