MCQ

Dear Student ,
11. we know that , total time of flight is ,
T=2u sin90°g α=90° =2ug=2×10010=20 s

12. Here from the equation of motion we have ,
h=ut+12gt2=0+12gt2   u=0=12×10×42=5×16=80 m

13.When an object falls freely to the earth then the direction of force of gravity is in the same direction of motion of the object .
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idk
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which 1
 
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12.80 metre.
13.a ( by newton third law)
14.c
15.0.5
16. i can't able to this question.
17. anywhere accept moon
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frtder
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jhjmj
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