While playing Quidditch you throw the quaffle straight down to the person below you at a speed of 8.8 m/s. If your friend catches it after 0.19 seconds how fast will it be going?

Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons

Who was the first scientist to measure speed as distance over time?