What is the amount of matter in an object is known as

A race car travels a circular track at an average rate of 135 mi/hr. The radius of the track is 0.450 miles. What is the centripetal acceleration of the car?

By how many degrees fahrenheit can the temperature of one metric ton of water be raised with the addition of 110 thousand btus of heat?

A 100 kg individual consumes 1200 kcal of food energy a day. Calculate (a) the altitude change, in m, if the food energy content was converted entirely into lifting the indi- vidual under normal earth gravity.

What did Benjamin Thompson contribute to science? A. P (↓1) V (↓1) = P (↓2) V (↓2) B. V (↓1) / T (↓1) = V (↓2) / T (↓2) C. the idea of heat energy D. the Kinetic Theory of Matter?

In experiment involving a pithball electroscope, what causes the pithball to move?

Carole is very tired and makes coffee. why would newton say that she must use her hand to put up the cup

Rapid gas exchange can be accomplished more easily in air than in water because A. the O2 content of water is higher than that of air B. O2 diffuses more rapidly in water than air C. water is more dense and viscous D.

Which electron transition between the energy levels of hydrogen causes the emission of a photon of visible light?

According to a college survey, 22% of all students work full time. find the mean for the number of 3) students who work full time in samples of size 16.

How Much Potential Energy Does A 50kg block of Ice a Height of 4m Have?