When is the magnitude of the acceleration of a mass on a spring at its maximum value?

when the mass has a speed of zero

when the mass is moving upward

when the mass has no displacement

when the mass is 1/2x

The density of aluminium at 0°C is 2.70*10³kg/me. what is the density at 300°C

A flower pot is knocked off a window ledge from a height d = 19.6 m above the sidewalk. It falls toward an unsuspecting man of height h = 1.79 m who is standing below. Assume the man requires a time interval of Δt = 0.300 s to respond to the warning.

A U. S. quarter (coin) is about 3cmindiameter. If you were to hold it upso that it was covering the full Moon, how far (in cm) must you hold it away from your face so that it would pretty much cover the Moon exactly?

Why are there so few eclipses in 2014?

A type your answer ... is used to connect different parts of a circuit and is where the majority of electricity flows through

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.

3. Calculate the amount of current through a 45-watt light bulb that is connected to a 120-volt circuit in your home.

Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

An object at rest has no net force acting on it. a. True b. False

A baseball has mass 0.145 kg. (a) If the velocity of a pitched ball has a magnitude of and the batted ball's velocity is in the opposite direction, find the magnitude of the change in momentum of the ball and of the impulse applied to it by the bat.