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Hitman42 [59]
3 years ago
10

What is the unbalanced force on a car moving with a constant velocity of 25 m/s?

Physics
1 answer:
Marta_Voda [28]3 years ago
8 0
The under force is 78m/s.
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In a single-slit diffraction experiment, a coherent light source illuminates a slit in a barrier, and the resulting pattern is p
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Answer:

hsjdsdddwqdqwdd

Explanation:

4 0
2 years ago
Recording the location of a star requires a measurement of:
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Answer:

It requires a measurement of altitude azimuth time.

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3 years ago
Distinguishing between Speed and Velocity.
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Answer:

Speed: Distance per time, 400 km/h, and a scalar quantity.

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8 0
3 years ago
A beam of white light enters a prism of crown glass (n = 1.5) from air (n = 1.00). Once inside, the colors in the light disperse
eduard

Answer:

= 2.33

Explanation:

.According to snell's law:

n1sin i = n2sin r ,

where n1 is refractive index of the medium in which incident ray is travelling, n2 is the refractive index of the medium in which refracted ray is travelling,

i is angle of incidence,

r is angle of refraction.

Given that,

n1 = 1,

i = 51 degrees,

r = 19.5 degrees. ,

n2= ?

So,

1*sin 51 = n2 sin 19.5  

=> n2 = sin51 / sin19.5

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7 0
3 years ago
An object is 50 cm from a converging lens with a focal length of 40 cm . A real image is formed on the other side of the lens, 2
Leno4ka [110]

Answer:

d) -4.0

Explanation:

The magnification of a lens is given by

M=-\frac{q}{p}

where

M is the magnification

q is the distance of the image from the lens

p is the distance of the object from the lens

In this problem, we have

p = 50 cm is the distance of the object from the lens

q = 250 cm - 50 cm is the distance of the image from the lens (because the image is 250 cm from the obejct

Also, q is positive since the image is real

So, the magnification is

M=-\frac{200 cm}{50 cm}=-4.0

7 0
3 years ago
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