A ball is kicked from a tower (50m) at a speed of 20m/s. How far away does the ball hit the ground?
time is equal to time in free fall i.e. 50m=0.5gt^2 -> t=root(50m*2/g)=1.019s
horizontal distance is then tv= 1.019s20m/s=20.38m
EG
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 is the period and frequency of a wave? - GCSE or A-Level students may ask this
A car undergoes uniform acceleration from a starting velocity of 10ms^-1 to 20ms^-1 in 10s. Assuming the car's mass is 2000kg, calculate the net force in the direction of the acceleration.
Explain the findings from Rutherford's alpha particle scattering experiment.