A 15 kg mass is moving at 7.5 m/s on a horizontal, frictionless surface. What is the total work that must be done on the mass to increase its speed to 11.5 m/s?

Suppose you push a toy train with a force of 3 N east. The train has a mass of 0.5 kg. What is its acceleration? A. 0.17 m/s2 east B. 1.5 m/s2 east C. 6 m/s2 east D. 30 m/s2 east

What does the sun consume to produce energy and helium?

10 kilometers per minute how many kilometers will it travel in 24 hours

How many amps does a 100-watt light bulb draw?

A 83 kg zebra is traveling 13 km/hr east. What is the zebra's momentum?

An object has an acceleration of 24 m/s/s. How long would it take the stationary object to reach a velocity of 6.8 m/s?

What is normal distribution in statistics?

Which of the following water samples would be considered acidic

A linearly-polarized electromagnetic (EM) wave has an electric field with amplitude 1000 V/m. You hold a a linear polarizer in front of it and rotate the polarizer so that all of the EM wave is blocked. You then rotate the polarizer 30 degree.

Let y'=4 x. find all values of r such that y = rx^{2} satisfies the differential equation. if there is more than one correct answer, enter your answers as a comma separated list.