The Great Barrier Reef faces environmental disaster due to A. parasites. B. rising sea levels. C. scientific study. D. tourism.

A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 50.2 * 105 kg, of which 12.5 * 105 kg is fuel.

What can be found by counting the number of troughs per second in a wave diagram amplitude direction frequency speed wavelength

500 angstrom = ... km

Oppositely charged objects attract each other this attraction holds electrons in Adams and hold on to one another in many compounds however ernest rutherfords model of the atoms failed to explain why electrons were not pulled into the aromic nicleus

Hows does the world spin and we cant feel it

The probability that a battery will last 10 hr or more is 0.8, and the probability that it will last 15 hr or more is 0.11. Given that a battery has lasted 10 hr, find the probability that it will last 15 hr or more

What is the sum of 9260 and 3240? Express your answer numerically to at least three significant figures.

What could you do if the plant is placed in your community and later leads to pollution beyond the amounts allowed by the EPA?

The friends now feel ready to try a problem. Suppose an Atwood machine has a mass of m1 = 2.5 kg and another mass of m2 = 8.5 kg hanging on opposite sides of the pulley. Assume the pulley is massless and frictionless, and the cord is ideal.

What are the 3 main branches of natural sciences