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2 years ago

Why is a motorcycle helmet padded?

2 answers:

7 0

Motorcycle helmets are padded to give the rider the protection they require in case of accidents. Any hit to the head is absorbed by the padding and the rider is saved from any kind of fatal injury. Whenever a motorcycle rider falls from his motorcycle, there is every possibility that the head will hit the ground first. If the padding was not there, then the rider would get the direct impact of hitting. As most of the pressure of the hit gets absorbed by the inner padding of the helmet, so the rider is saved from the fatal accident. It does not mean that the driver will not have minor injuries but by all chance his life would be saved.

algol132 years ago

7 0

Motorcycle helmets are padded in case of an accident. If you fall or get into a crash, your head head will be protected because the padded area makes it softer.

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Benjamin, a transport technician, was punched by a patient in the

Masja [62]

Yes....................

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2 years ago

The distance y3,red from the center of the pattern to the location of the third diffraction minimum of the red laser is 4.05 cm.

oksian1 [2.3K]

Answer:

L = a 1,929 10⁴ m

a = 0.1 mm = 0.1 10⁻³ m, L = 1,929 m

Explanation:

The diffraction phenomenon is described by the expression

a sin θ = m λ

Let's use trigonometry to find the breast

tan θ = y / x

As the angles are very small

tan θ = sin θ/ cos θ = sin θ = y / x

We replace

a y / L = m λ

L = a y / m λ

The red light has a wavelength of Lam = 700 nm = 700 10⁻⁹ m, in the third pattern it is m = 3

L = a 4.05 10⁻² / (3 700 10⁻⁹)

L = a 1,929 10⁴ m

To give a specific value we must know the width of the slit, suppose a value of a = 0.1 mm = 0.1 10⁻³ m

L = 1,929 m

8 0

2 years ago

A pallet of bricks is to be suspended by attaching a rope to it and connecting the other end to a couple of heavy crates on the

SashulF [63]

Answer:

<h3>C.250 lb is the answer...</h3>

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2 years ago

Big Al stands on a skateboard at a rest and throws a 0.5-kilogram rock at a velocity of 10.0 m /sec. Big Al moves back at 0.05 m

Vlada [557]

Let
his and skateboard's combined mass is x
we know
F1=-F2
0.5kg*10m/s=-0.05m/s xkg
5=0.05x(minus cancel with the m/s as it represented the opposite direction of velocity and now there is no velocity in this equation.. so minus is avoidable. and the kgs cancel out)
x=10
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2 years ago

If a high jumper needs to make his center of gravity rise 1.50 m, how fast must he be able to sprint? Assume all of his kinetic

sergiy2304 [10]

Answer:

v = 5.42 m/s

Explanation:

given,

height of the jumper = 1.5 m

velocity of sprinter = ?

kinetic energy can be transformed into potential energy

$m g h = \dfrac{1}{2}mv^2$