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rewona [7]
3 years ago
10

Which property of gases best explains the ability of air bags to cushion the force of impact during a car accident?

Physics
1 answer:
Cerrena [4.2K]3 years ago
7 0
Gasses because they are comperssible (plato)
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A child pulls a sled up a snow-covered hill. The child does 504 J of work on the sled. If the child walks 15 m
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Answer: F = 33.6 N

Explanation: work = force · distance or W = F·s

Force F = W/s = 504 J/15 m

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2 years ago
A closely wound circular coil has a radius of 6.00 cmand carries a current of 2.65 A. How many turns must it have if the magneti
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Answer:

Given:

radius of the coil, R = 6 cm = 0.06 m

current in the coil, I = 2.65 A

Magnetic field at the center, B = 6.31\times 10^{4} T

Solution:

To find the number of turns, N, we use the given formula:

B = \frac{\mu_{o}NI}{2R}

Therefore,

N = \frac{2BR}{\mu_{o}I}

N = \frac{2\times 6.31\times 10^{4}\times 0.06}{4\pi \times 10^{- 7}\times 2.65}

N = 22.74 = 23 turns (approx)

 

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2 years ago
A boat moves up and down as water waves pass under the boat. If the amplitude of the wave gets bigger, then
xeze [42]
The anwser is A or D
7 0
3 years ago
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Identify the type of wave in the picture please asap
pychu [463]

Answer:

It is transverse wave

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A park ranger driving on a back country road suddenly sees a deer in his headlights 20
olya-2409 [2.1K]

Answer:

17.1

Explanation:

The distance ahead, of the deer when it is sighted by the park ranger, d = 20 m

The initial speed with which the ranger was driving, u = 11.4 m/s

The acceleration rate with which the ranger slows down, a = (-)3.80 m/s² (For a vehicle slowing down, the acceleration is negative)

The distance required for the ranger to come to rest, s = Required

The kinematic equation of motion that can be used to find the distance the ranger's vehicle travels before coming to rest (the distance 's'), is given as follows;

v² = u² + 2·a·s

∴ s = (v² - u²)/(2·a)

Where;

v = The final velocity = 0 m/s (the vehicle comes to rest (stops))

Plugging in the values for 'v', 'u', and 'a', gives;

s = (0² - 11.4²)/(2 × -3.8) = 17.1

The distance the required for the ranger's vehicle to com to rest, s = 17.1 (meters).

6 0
3 years ago
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