Chemistry (Gas question)
The mean kinetic energy of the molecules in a sample of H20 gas is 12x10^-19 J, calculate the mean velocity of a molecule and the temperature of the gas. Please help need to know for exam tomorrow.
calculus quick question
g(x)= sqrt(1-4x^2) Can someone help me find the first and second derivatives please!
calculus please help
lim y→−1 (sqrt(y^2+8)-3)/y+3 find limit if it exists please help
physics help me bob!
A rock is thrown from the roof of a building with a velocity v0 at an angle α0. The height of the building is h. (i)Calculate the horizontal distance traveled by the projectile before it strikes the ground. (ii)Show that the speed of the rock just before it strikes the gr...
What is the wavelength associated with a golf ball of mass 45 g driven off the tee with a velocity of 30 ms-1.
Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and wakingeven if they are not exposed to the usual pattern of sunlight. To test...
government and nation
Why didnt presidential power increase after the nations first three wars (1812, Mexican, Spanish-American)? Were the wars different or was the nation different?
An evolutionary simple muscle would be?
T-tubules can conduct action potentials because A contracture is when there is a lack of ATP in a muscle; this would