A ball of mass 1 kg is projectex with 10m/s from the top of a tower of height 20m. What is its speed when it is
Answers
Answered by
0
We know that
2gs =vf²-vi²
by putting values
2×10×20=vf²-10²
20×20=vf²-100
400+300=vf²
700=vf²
26.45=vf---------------ans
2gs =vf²-vi²
by putting values
2×10×20=vf²-10²
20×20=vf²-100
400+300=vf²
700=vf²
26.45=vf---------------ans
Similar questions