6.
A cart is moving horizontally along a straight line with
constant speed 30 m/s. A projectile is to be fired
upward from the moving cart in such a way that it
will return to the cart after the cart has moved 80m.
At what speed (relative to the cart) must the
projectile be fired (Take g = 10m/s)
Answers
Answered by
1
Answer:
From the inertial frame this is a projectile motion with range 80m and horizontal velocity 30 m. Time of flight is 80/30=8/3 s. displacement along y direction is zero.
H=ut−
2
1
gt
2
=0
⇒u=
2
gt
=
2
10×
3
8
=
3
40
m/s
Answered by
0
Answer:
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Explanation:
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