Draw speed time graph for a ball thrown upward with speed 20m/s from 0 to 4s.Also
calculate the distance travelled by ball in the whole journey.
Answers
Answer:
sorry I didn't know the correct answer of this question
Answer:
speed(u)=20m/s
velocity(v)=0
v=u+at
0=20-10(t)
t=2s(time of acceleration)
t=2s(time of retardation)
u=0
v=20m/s
a=g=10m/s
t=2s
distance=area covered
=1/2x2x20+1/2x2x20
=40m/s
Explanation:
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