In an action-adventure film, the hero is supposed to throw a grenade from his ca

Question

In an action-adventure film, the hero is supposed to throw a grenade from his car, which is going 94.0 km/h, to his enemy's car, which is going 112 km/h. The enemy's car is 16.6min front of the hero's when he lets go of the grenade.

part 1:
If the hero throws the grenade so its initial velocity relative to him is at an angle of 45 ^circ above the horizontal, what should the magnitude of the initial velocity be? The cars are both traveling in the same direction on a level road. You can ignore air resistance.

part 2:
Find the magnitude of the velocity relative to the earth.

Explanation / Answer

R=v^2/g=16.6 v=12.75m/s

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