An element's atomic number is 50. how many protons would an atom of this element have?

Material for a dress costs 5.50 per metre. find the cost of 10cm and 70cm

How far above the surface of earth would you weigh 71.5 percent of your surface weight?

The wavelength of a wave is the distance between a. the crest and the following trough. b. two consecutive crests. c. the amplitude and the normal position. d. the rarefaction and the following compression.

Which state of matter is usually most dense?

How do you connect 1 ohm, 2 ohm and 3 ohm resistors to getan equivalent resistance of 5/6 ohm.

You push a friend sitting on a swing she has a mass of 50 kg and accelerates a rate of 4 m/s2 find the force you exerted

What must be true about tow objects if heat is flowing between them?

Will a 2 liter bottle of coke have a different density than a one liter bottle of coke?

A positive rod is placed to the left of sphere A, and the spheres are separated

Why do clothes often cling together after tumbling in a clothes dryer?