2. An earthquake travels at 3.8 km/s and has a wavelength of 480 m. What is the frequency of the earthquake?

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?