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Darina [25.2K]
3 years ago
12

On expressways, passing on the right is generally:

Physics
2 answers:
mart [117]3 years ago
6 0

Answer:

Explanation:

In USA which is right vehicle moving nation generally crossing from left side is  generally seem to be safe because it is reserved for passing of fast vehicle.

hence we can say that passing on the right is generally not safe.

but when we talk about country like India, Australia etc where vehicle moves on the left side there we can see that if we take right passing it is generally safe.

hence we can say that for country like Australia It is safe passing through right.

AlekseyPX3 years ago
5 0

it is c. safest when passing a large truck

hope this helps* :)

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A hockey puck slides 55.0 m along the length of the rink in just 1.25 s. The slight friction between the puck and the ice provid
topjm [15]

Answer:

44.8 m/s

Explanation:

Use the Initial Speed Formula:

InS = 2(d/t) - Final Speed

InS = 2(55/1,25) - 43.2

InS = 2.44 - 43,2

InS = 88 - 43,2

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3 0
2 years ago
How does friction affect the kinetic energy of an object?
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3 years ago
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2 years ago
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7 0
3 years ago
Indiana jones (83.5 kg) is running 3.75 m/s when he jumps in a stationary 312 kg mine cart. what is their joint velocity afterwa
Lubov Fominskaja [6]

Answer:

.7917 m/s

Explanation:

This is a conservation of momentum question. You have an object initially at rest (cart) so that object is initially at 0 momentum. Indiana Jones is 83.5 kg and running 3.75 m/s so he starts with a momentum of 313.125 kg * m/s because momentum is equal to mass * velocity. Once the person jumps in the cart, the cart and the person can be considered one object and by conservation of momentum, the momentum of the Indiana-cart system is equal to 313.125 kg * m/s. By that, we can set that momentum equal to the combined mass * joint velocity. So 313.125 = (83.5kg + 312kg) * joint velocity. Then just solve for the velocity. The answer should be smaller than the intial velocity of the person of 3.75 m/s because the mine cart is HUGE at 312kg.

3 0
3 years ago
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