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3 years ago

What is reference point

Physics

1 answer:

crimeas [40]3 years ago

6 0

Was there an actual word problem to this question?

If you were asking for definition:

<h3>A basis or standard for evaluation, assessment, or comparison; a criterion.</h3>

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A store owner has 11 baskets of mangoes for sale at k8.26.How much will he receive in total when he sells them

Grace [21]

11*2.86 which is 31.46
Hope this helps

8 0

4 years ago

Read 2 more answers

A thin walled spherical shell is rolling on a surface. What

ExtremeBDS [4]

Answer:

$=\frac{1/3}{5/6} = 0.4$

Explanation:

Moment of inertia of given shell $= \frac{2}{3} MR^2$

where

M represent sphere mass

R -sphere radius

we know linear speed is given as $v = r\omega$

translational $K.E = \frac{1}{2} mv^2 = \frac{1}{2} m(r\omega)^2$

rotational $K.E = \frac{1}{2} I \omega^2 = \frac{1}{2} \frac{2}{3} MR^2 \omega^2$

total kinetic energy will be

$K.E = \frac{1}{2} m(r\omega)^2 + \frac{1}{2} \frac{2}{3} MR^2 \omega^2$

$K.E =\frac{5}{6} MR^2 \omega^2$

fraction of rotaional to total K.E

$=\frac{1/3}{5/6} = 0.4$

8 0

3 years ago

What is black body radiation? Explain in detail.

tangare [24]

An object that absorbs all radiation falling on it, at all wavelengths, is called a black body. When a black body is at a uniform temperature, its emission has a characteristic frequency distribution that depends on the temperature. Its emission is called black-body radiation

hope it helps

3 0

3 years ago

Which factor is needed to describe velocity but is not needed to describe speed

Art [367]

Answer:

Magnitude and direction describe velocity

However if there is only magnitude its mean it is speed.

Fun : probably you have seen speed movie. It could not have director because if speed is directed then it will be velocity lol..

8 0

3 years ago

Object A, with heat capacity CA and initially at temperature TA, is placed in thermal contact with object B, with heat capacity

prisoha [69]

Answer:

d) (CATA + CBTB) / (CA + CB)

Explanation:

According to the given situation, the final temperature of both objects is shown below:-

We assume T be the final temperature

while m be the mass

So it will be represent

m CA (TA - T) = m CB (T - TB)

or we can say that

CATA - CA T = CB T - CBTB

(CA + CB) T = CATA + CBTB

T = (CA TA + CBTB) ÷ (CA + CB)

Therefore the right answer is d

4 0

3 years ago