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solmaris [256]
3 years ago
14

A car is going through a dip in the road whose curvature approximates a circle of radius 200 m. At what velocity will the occupa

nts of the car appear to weigh 20% more than their normal weight (or their normal weight times 1.2)?
Physics
1 answer:
boyakko [2]3 years ago
4 0

Answer:

Explanation:

The solution along with the diagram can be found in the attachment. Feel free to raise doubts.

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A car traveling at 27.4 m/s hits a bridge abutment. A passenger in the car, who has a mass of 65.0 kg, moves forward a distance
Minchanka [31]

Answer:

F=43570.9N

Explanation:

We can calculate the acceleration experimented by the passenger using the formula v_f^2=v_i^2+2ad, taking the initial direction of movement as the positive direction and considering it comes to a rest:

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Then we use Newton's 2nd Law to calculate the force the passenger of mass m experimented to have this acceleration:

F=ma=\frac{-mv_i^2}{2d}

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F=\frac{-(65kg)(27.4m/s)^2}{2(0.56m)}=43570.9N

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