amber walks towards the back of a train at 3mph. The train is moving foward at 65mph. Find the velocity of amber relative on the ground ?

How much heat is needed to change the temperature of 3 grams of gold (c = 0.129 ) from 21°c to 363°c? the answer is expressed to the nearest whole number.

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?

Will mark brainliest! asap! ! 16) which of the clouds shown would indicate a possible future rain storm? a) b) c) d)