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3 years ago

I’ll mark brainliest

Physics

1 answer:

Flura [38]3 years ago

3 0

Answer:

When the image distance is positive, the image is on the same side of the mirror as the object, and it is real and inverted. When the image distance is negative, the image is behind the mirror, so the image is virtual and upright.

Explanation:

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Mrs. Waid drives her car up Route 8 at 80mph. If her car weighs 2500 lbs,

Anvisha [2.4K]

1.358 J is the kinetic energy of the car driven by Mrs. Waid.

<u>Explanation:</u>

Given data:

Velocity at which Mrs. Waid drives her car = 80 mph

In order to convert mph (meter per hour) into mps (meter per second),

$\frac{80}{3600}=0.0222 \mathrm{m} / \mathrm{s}$

Car weighs 2500 lbs, means mass of the car, m = 2500 lbs

I kilo gram = 2.20462 pound

Therefore, 1 pound (lb)= 0.45359237 kilograms (kg).

To converting pounds into kilogram,

$\frac{2500}{0.45359237}=5511.55 \mathrm{kg}$

As we know, the kinetic energy can be defined as directly proportionate to the object’s mass (m) and square of its velocity (v). The expression can be given as below,

$\text { kinetic energy }(K . E)=\frac{1}{2} \times m \times v^{2}$

By substituting the given values, we get

$\text { kinetic energy }(K . E)=\frac{1}{2} \times 5511.55 \times 0.0222^{2}$

$\text { kinetic energy }(K . E)=\frac{1}{2} \times 5511.55 \times 0.00049$

$kinetic energy (K . E)=1.358 joule$

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4 years ago

Can I see the work for number 55

OLEGan [10]

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3 years ago

How are temperature, pressure, and volume related dealing with the behavior of a gas

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Pressure and volume of a gas are inversely related. As one goes up, the other goes down, and vice-versa.

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4 years ago

Because light travels in a straight line and casts a shadow, Isaac Newton hypothesized that light is

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The low areas created as a sound wave propagates are called rarefactions

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