A 0.15kg hockey puck is being pushed along frictionless ice by a stick. Its speed changes from 0.2 m/s to 2.54 m/s in 2.1 seconds. What is the acceleration of the puck in this time? What force does the stick exert on the puck?

Aray diagram for a refracted light day is shown. what does the dashed line represent

Which two objects have the greatest gravitational force acting between them

Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?