A stone is thrown horizontally at 5m/s from a platform 10m above ground. Find time till impact with ground.
Use SUVAT for constant vertical acceleration. Solve for t. S = -10U = 0V = -A = -gT = tS=UT+(AT^2)/2t = sqrt(20/g)
MH
Related Physics A Level answers
All answers ▸Assuming the Earth is a perfect sphere of radius R. By how much would your mass (m), as given by a scale, change if you measured it on the north pole and on the equator?
What are Newton's three laws?
A box initially at rest is on a plank, of length 5m, that is elevated at an angle such that tan(a)=3/4. When it reaches the end of the plank it has velocity 5ms^-1. Calculate the average frictional force on the box.
Explain, in terms of the behaviour of molecules, how a gas exerts a pressure on the walls of its container. (4)