Physics

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In the latest Indian Jones film, Indy is supposed to throw a grenade from his car, which is going 93.0 km/h, to his enemy's car, which is going 130km/h. The enemy's car is 17.0m in front of the Indy's when he lets go of the grenade.

1)If Indy throws the grenade so its initial velocity relative to him is at an angle of 45above 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.

2)Find the magnitude of the velocity relative to the earth.

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