Suppose that 2 j of work are needed to stretch a spring from its natural length of 30 cm to a length of 42 cm. how much work (in j) is needed to stretch it from 35 cm to 40 cm?

A motor is used to produce 4.0 waves each second in a string. What is the frequency of the waves? F 0.25 Hz G 15 Hz H 25 Hz J 4.0 Hz

Large group of asteroids that orbit the sun between Mars and jupiter

The young boxer has sustained a blowout fracture of his left orbital complex. the orbit that contains the eye is formed by seven facial bones. which skull bone forms the roof of the orbit?

Define the layers of atmosphere

O see how two traveling waves of the same frequency create a standing wave. Consider a traveling wave described by the formula y1 (x, t) = Asin (kx-ωt).

Use the graph of distance versus time to complete the sentences. The cars on the higher track travel the cars on the lower track, in the same time. This means that the cars on the higher track have a average speed than those on the lower track.

List at least 3 physical properties that the professor describes of his newly discovered flubber

7. Who is Mara Grunbaum?

How much work is done in holding a 10 newton sack of potatoes while waiting in line at the grocery store for 3 minutes.

Define light year and explain how and why light years are used to measure distances in the universe