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gizmo_the_mogwai [7]
3 years ago
7

Why are road accidents at high speeds very much worse than road accidents at low speeds?

Physics
2 answers:
Marina86 [1]3 years ago
7 0
Vehicles with high speeds have high momenta (plural of momentum). When they come to rest in very small time they experience high forces
we know that rate of change of momentum is force, lower the time higher is force. So, slow moving vehicles experience less force. It is important to note that if any one vehicle involving has high speed it can do more damage both the vehicles involving.
Triss [41]3 years ago
4 0

Answer:

The momentum makes it worse.

Explanation:

The momentum of vehicles running at faster speeds is very high and causes a lot of damage to the vehicles.

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A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 100 N is being applied to the sled rope
tangare [24]

Answer:

60.18 N

Explanation:

Given that:

The force applied on the sled = 100 N

Suppose, the angle between the sled rope and the ground = 53°

The horizontal force which acts  in the horizontal direction can be expressed as:

F_x = F \ cos \theta

F_x = 100 \ cos (53)

F_x = 60.18 \ N

But if the angle between the sled rope is parallel to the ground. Then, we use an angle on a straight line which is = 180°

F_x = F \ cos \theta

F_x = 100 \ cos (180)

= 100 × -1

= -100 N

3 0
2 years ago
Look at the diagrams. Each model the arrangement of particles in a substance.
Kisachek [45]

Answer:

a

Explanation:

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Kryger [21]

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denpristay [2]

Answer:

1:4

Explanation:

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3 0
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PLEASE ANSWER I DONT HAVE THAT MUCH TIME
ollegr [7]

Answer:

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Explanation:

hope it helps

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