A roller coaster is going through a loop with a circular radius of 9.1 meters, how fast must the roller coaster be moving at the top of the loop in order to stay on the track?

How much force is necessary to stretch a spring 0.5 m when the spring constant is 190 N/m

How long must a simple pendulum be if it is to make exactly one swing per six seconds? (that is, one complete oscillation takes exactly 12 s.) ?

What is the first sing of dehydration

Ocean waves of wavelength 22 m are moving directly toward a concrete barrier wall at 4.0 m/s. The waves reflect from the wall, and the incoming and reflected waves overlap to make a lovely standing wave with an antinode at the wall.

The goal of the bulb is to produce light. What is the efficiency of this bulb as it works to put out light?

Which of Newton's laws accounts for the following statement? "A force cannot act alone."

Determine the maximum weight of the bucket that the wire system can support so that no single wire develops a tension exceeding 100 lb.

two objects each weighing 2kg are lifted through the same distance in 4s and 1s respectively. which scenario requires more work?

NaCI is__ an acid a base a salt

A rocky space object of varying size