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Grade: 8

                        

a body thrown vertically upwards reaches maximum height of 100m. If another body of twice its mass is thrown up at angle 30 ° to the horizontal with a velocity twice that of the former, the maximum height it reaches is (a) 400 m (b) 200 m © 100 m (d) 25 m

3 years ago

Answers : (1)

Utsav Basu
70 Points
							
​c) 100m
 
Just note that he vertical component of the velocity of the second body is same as that of the first. And the mass? Well, gravitational acceleration is the same on each and every mass on its surface.
2 years ago
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