A vector quantity has

Velocity of sound increases on a cloudy day. Why?

How to measure voltage across an ungrounded component with a two channel oscilloscope?

At a certain elevation, the pilot of a balloon has a mass of 125 lb and a weight of 119 lbf. What is the local acceleration of gravity, in ft/s2, at that elevation? If the balloon drifts to another elevation where g = 32.

If a device uses 280 watts of power a day, about how many kilowatt-hours will it use in 30 days? A. 6.700 kilowatt-hours B. 200 kilowatt-hours C. 8.4 kilowatt-hours D. 6.7 kilowatt-hours

Galileo s most important contribution to astronomy was his a. discovery of evidence that the sun is the center of the solar system. b. set of calculations of the size of each of the planets. c. discovery of the planet mars. d.

What are most elements on the periodic table?

Calculate the time it takes for a cat who runs 3km and an average speed oh 6km/h

Two sheets of polarizing material are placed such that their polarizing axes are 90° to each other and no light passes through the combination.

The shadow cast by a simple stick or obelisk allowed ancient people to

The 26-kg sphere c is released from rest when θ = 0∘ and the tension in the spring is f = 100 n