In an action-adventure film, the hero is supposed to throw
Chapter 6, Problem 77P(choose chapter or problem)
In an action-adventure film, the hero is supposed to throw a grenade from his car. which is going 90.0 km/h, to his enemy’s car, which is going 110 km/h. The enemy’s car is 15.8 m in front of the hero’s when he lets go of the grenade. 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. Find the magnitude of the velocity both relative to the hero and relative to the earth.
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