Kaylin starts the stopwatch on her phone, as it falls off her desk. It stops at .42 seconds when it hits the floor. How tall is her desk?

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

What sort of waves exhibit the doppler effect?

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s