What is it called the number that tells how much of something there is

A car with a mass of 1400 kg is traveling at a speed of 40 m/s. what is it's momentum

The frequency output of a digital MAP sensor is reading 114 Hz. What is the approximate engine vacuum?

A spring has a force constant of525.6 N/m. Find the potential energy stored in thespring when thespring is ... a) stretched 4.08 cm fromequilibrium. Answer in units of J b) compressed 2.17 cm from equilibrium. Answer in units ofJ c) unstretched.

If one is missing the opsin which detects wavelengths of approximately 560 nm what color would they be unable to see?

Objects that transmit some light and reflect/absorb the rest of the light, like stained glass, are a. Opaque B. Transparent C. Translucent I think it's translucent, but I'm not sure

If the diameter of the space station is 730 m, how many revolutions per minute are needed for the "artificial gravity" acceleration to be 9.80m/s2?

The act, process or state of the change in place or position oa a body with respect to time and relative to the observer is said to be : - 1. Rest 2. Stationary 3. Motion 4. None of the above

During a snowball fight two balls with masses of 0.4 kg and 0.6 kg, respectively, are thrown in such a manner that they meet head on and combine to form a single mass of 1 kg. the magnitude of intial velocity foreach is 15 m/s.

Which phases of matter do molecules have the lowest amount of energy?

How many Oxygen (O) atoms are in the following? H2O + CO2 4 3 2