Doubt from work,power and energy

#1

Question no 1,2 ,3 and 5

#2

For 5th use energy conservation

#3

For 1st is it 36 ?

#4

No answer is -24 joules

#5

For 1st - -24J
For 2nd- 56J

#6

Correct send your solution

#7

And what are the answers for question 3 and 5 ?

1 Like
#8

I have abled to solved 3 and 5 thanks

#9

Still can you just tell the answers for the question number 3 ?!

#10

2mgH/M+mtan^2@ and the whole expression is under root

1 Like
#11

Thanks :hugs:

#12

Question no 2,3 and 5

#13

1 Like