Question

A bullet is to be fired with a speed of 2000m per second to hit a target 200m away on a level ground . if g=10m per second square the gun should be aimed

Answer 1

there fore the gun should be aimed 5cm above the target

Answer 2

Answer:

Explanation:

Time taken by bullet to travel 200m:

T=D/S

T=200/2000=0.1s

Now, vertical distance travelled by bullet :

S=ut+1/2at^2

S= 0t + 1/2*10*(0.1)^2

S= 0.05m = 5cm

So, the gun should be aimed 5cm above the target