Questes 141 to 144 are based on the Table A Study this table and wwer the following questions
Table
Distance
Hecht abone the base of the mountain (m)
100
Uniform speed (m/s)
2
3
15
05
Alok is travelling to Vaishnadevi on foot. He starts from the base of the mountain and the temple is at a distance of 5
kms from the base and a vertical height of 500 m. He also seres his unidorm speed, distance and height from the base
a regular intervalis shown in table). Alok weighs 50 kg
141 Find the kincic energy is the 500-2000 interval
142 Find his potential energy at the end of 2000-4000 interval.
14.3 How much work has Akik done winst the yuvity when he reaches the summit?
144 Suate the law of conservatice of energy
mmmu
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Answer:
240kmph(b) 240
√
2
kmph(c) 240
√
3
kmph(d) none of these3 ) The angle of elevation of a cloud at a height h above the level of water in a lake is α and the angle of
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