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A rifle is aimed horizontally at a target 130ft away. The bullet hits the target 0.75 in.below the aiming point (a) what is the bullets time of flight?(b)what is the muzzle speed of the bullet?

A rifle is aimed horizontally at a target 130ft away. The bullet hits the target 0.75 in.below the aiming point (a) what is the bullets time of flight?(b)what is the muzzle speed of the bullet?

Grade:12th pass

2 Answers

Akbar Ali
16 Points
5 years ago
a plan flies 430mi east from city b and 45 mi and then 820 mi south from city b to city c in 1 h30min.
(a)what are the mignidude and the direction of desplacementvector the represent the total trip?what are
(b)the average velocity vector and 
(c)the average speed for the trip.
Akbar Ali
16 Points
5 years ago
Answer:(a).0.064s(b).781.2m/sExplanation:(a).To get the time of flight we consider the vertical component of motion:s=12gt2∴t=√2sgt=√2×0.029.8t=0.064s(b).The horizontal component of velocity is constant so:v=st=500.064=781.2m/s

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