2 years ago

If there are oncoming cars to the left of you and a child on a bike to the right, what is the correct action to take

Physics

1 answer:

tankabanditka [31]2 years ago

3 0

Answer:

Give the child a lot of room to your side, which may mean moving closer to the oncoming vehicles.

Explanation:

I majored in Physics.

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2 years ago

The driver of a car travels at 90 km / h, observes some children playing on the road 50 m away, and applies the brakes, managing

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Answer:

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Yes

Explanation:

Given:

v₀ = 90 km/h = 25 m/s

v = 0 m/s

t = 4 s

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a = (0 m/s − 25 m/s) / (4 s)

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2 years ago

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2 years ago

Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a

ad-work [718]

Answer:

Maximum speed of the car is 17.37 m/s.

Explanation:

Given that,

Radius of the circular track, r = 79 m

The coefficient of friction, $\mu=0.39$

To find,

The maximum speed of car.

Solution,

Let v is the maximum speed of the car at which it can safely travel. It can be calculated by balancing the centripetal force and the gravitational force acting on it as :

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v = 17.37 m/s

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