3 years ago

Hi pls help uhhhhhhhh

Physics

1 answer:

KengaRu [80]3 years ago

3 0

<h3>The Answer is:</h3>

(B)Find out how much space (V)

of the room was occupied by it.

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A large truck has more inertia than small car because it has more__

taurus [48]

The large truck can rest at a stable equilibrium as compare to the small,from the definition of inertia, <span>Inertia is the tendency of an object to remain at rest or in motion.</span>

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What factors affect the amount of solar energy that reaches earth's surface

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Weather
Particles in air such as smoke smog

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Suppose the Earth's magnetic field at the equator has magnitude 0.00005 T and a northerly direction at all points. How fast must

sasho [114]

Answer:

Velocity will be $v=1.291\times 10^8m/sec$

Explanation:

We have given magnetic field B = 0.00005 T

Mass m = 238 U

We know that $1u=1.66\times 10^{-27}kg$

So 238 U $=238\times 1.66\times 10^{-27}=395.08\times 10^{-27}kg$

Radius $=R+1.44=6378+1.44=6379.44KM$

We know that magnetic force is given by

$F=qvB$ which is equal to the centripetal force

So $qvB=\frac{mv^2}{r}$

$1.6\times 10^{-19}\times v\times 0.00005=\frac{395.08\times 10^{-27}v^2}{6379.44}$

$v=1.291\times 10^8m/sec$

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3 years ago

Resultant of a pair of 100 km/h velocity vectors that are at right angels to each other

nignag [31]

The resultant of the two vectors is 141 km/h.

Explanation:

When two vectors are at right angles to each other, their resultant can be calculated by using the Pythagorean's theorem:

$R=\sqrt{A^2+B^2}$

where

A is the magnitude of the first vector

B is the magnitude of the second vector

In this problem, we have two velocity vectors of magnitude

A = 100 km/h

B = 100 km/h

Substituting into the formula, we find their resultant:

$R=\sqrt{100^2+100^2}=141.4 km/h$

Learn more about vector addition here:

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#LearnwithBrainly

5 0

3 years ago

Hi pls help uhhhhhhhh​

Hi pls help uhhhhhhhh