Physics, asked by vibhav745960, 10 months ago

A pendulum is pulled to one side until its bob is 10cm higher
than when weighing vertically and is then released as
shown in Figure. What is its speed as it passes through
the mid-point of swing?
B
10 Cm
А
G
(a) 2.8 m/s
(c) 3.9 m/s
(b) 1.4 m/s
(d) 9.8 m/s
A man weighing 60 kg is ascending a ladder 10 m
making an angle 30° with the horizontal. Calculate
work done by him against gravity.​

Answers

Answered by JULIAURORA
2

Answer:

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