Good evening
Please help
an object is thrown vertically upwards with an initial velocity of 60 metre per second. calculate the velocity of the object when it is halfway up.
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Answer:
Given v = 20 ms^-1
KE= 1\2mv^2
=1\2*m*400
=400*m
at H=h
PE= 1\2 KE
mgh=1/2*200*m
mgh=100*m
gh=100
h=100/g=100/9.8
h=10.20metres
Answered by
2
Answer:
hlō
hãvé à gréát dáy☺
ūsêr éxtrëmély sâd :(
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