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 ▸

Calculate the resistance of a uniform wire of diameter 0.5mm, length 2m and resistivity 1.7x10^-8Ωm.


If a bulb has a current of 20mA and voltage of 5V, and the current cost of electricity is £3 for a kW/hour. How much money would you spend to power the bulb for 8 hours? Are these good estimates for the current, voltage and cost of electricity?


The flow of water in a pipe is turbulent. Define turbulent flow.


What is escape velocity?