Amass on a spring is observed to complete 15 oscillations in 30 seconds. what are the period and the frequency of motion?

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.