Thank you for visiting 1 A 60 0 kg rocket is fired north at 1200 m s The rocket penetrates an unmanned armored car mass 1800 kg traveling west. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
1. After impact, the combined masses of the rocket and the armored car will have a velocity that can be calculated using the principles of conservation of momentum.
2. The change in momentum of the car can be determined by multiplying the magnitude of the average stopping force by the time it took for the car to come to a stop.
1. To find the velocity of the combined masses just after impact, we can apply the conservation of momentum principle. The initial momentum of the rocket is given by its mass (60.0 kg) multiplied by its velocity (1200 m/s) in the north direction. The initial momentum of the armored car is calculated by multiplying its mass (1800 kg) by its velocity (15 m/s) in the west direction. Since momentum is conserved, the total initial momentum of the system is equal to the total final momentum after impact. By considering the masses and velocities of both objects, we can calculate the final velocity of the combined masses.
2. The change in momentum of the car can be obtained using the formula Δp = FΔt, where Δp represents the change in momentum, F is the magnitude of the average stopping force (6800 N), and Δt is the time it took for the car to come to a stop (0.242 s). By substituting the given values into the equation, we can determine the change in momentum experienced by the car during the stopping process.
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