Considering the factors that influence diffusion (a) calculate the diffusion coefficient for copper in aluminum at 500°c. (b) what time will be required at 600°c to produce the same diffusion result (in terms of concentration at a specific point) as for 10 h at 500°c

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

If the new moon happens on january 15th, what shape will it be on february 6th?

Distinguish between linear momentum and angular momentum