A gas-powered lawnmower is rated at 98 db. how many times more intense is the sound of this mower than that of an electric-powered mower rated at 70 db?

An airplane is heading due north. It experiences a crosswind in the westerly direction. What is the direction of travel for the airplane with respect to the ground?

How do folded mountains form

What wind turbines to hydroelectric dams and ethanol plants have in common?

Why do sound waves need a medium through which to travel?

All the terrestrial planets have ... A. liquid oceans B. liquid helium C. rocky surfaces D. at least one moon

A car traveled 176 miles on 6.4 gallons of fuel the car averaged how many miles per gallon

Which of these describes how heat is transferred by radiation? A.) Warm air rises and takes heat with it; eventually it cools and sinks. B.) Sunlight travels through space without the aid of fluids or solids. C.

A body is moving with a velocity of 12m/s and it comes to rest in 2 minutes, what was the acceleration?

How can you find magnitude of velocity from a displacement time graph of an object?

Consider two rocks with masses of 1 and ten kilograms. What is the relation between their inertia's? Between their masses? Between their weights on earth?