When a pendulum is held high and taut and then is released, the pendulum begins to swing. What's the correct order of the energy transformations in this example? (PE stands for potential energy.)

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe