projectile motion.During Diwali, a firecracker...

Anonymous

Question description

During Diwali, a firecracker is launched at 53o above horizontal with a speed of 100 m/s. After moving for 3.0 s, along its line of motion, accelerating at 20 m/s2, it runs out of fuel and proceeds to fall as a free body. Calculate:

(a)  The maximum height reached by the firecracker.

(b)  Its total time of flight.

(c)  The horizontal range.

(d)  Impact velocity of the firecracker.

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