In a physics lab a 90 kg student runs up a 1.5 meter tall flight of stairs in 3.0 seconds. The students power rating is approximately ___W

A circuit element having terminals a and b has and Over a period of 20 seconds, how much charge moves through the element? If electrons carry the charge, which terminal do they enter? How much energy is transferred?

Find the magnitude of the force needed to accelerate a 300 g mass with a⃗ = - 0.205 m/s2 i^+0.700 m/s2 j

A stone has a mass of 100 grams and a volume of 10ml water has a density of 1 g/ml will the stone sink or float?

A helium tank holds a volume of. 02 m^3 at a pressure of 15.5*10^6 Pa and a temperature of 293 K. How many spherical balloons with a radius of. 11 m can be filled with this much helium if the temperature remains constant? Answer unit is Balloons

Which amusement park ride utilizes periodic motion?

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

How does surface roughness affect friction

Why does it hurt your hands when you carry heavy shopping in carrier bags?

Why did scientists choose carbon as a base for the atomic mass unit? Which isotope of carbon did they use?