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3 years ago

Which of the following relationships is correct?

Physics

1 answer:

masha68 [24]3 years ago

3 0

Answer:

a. Relative humidity increases: a decrease in temperature without a change in the amount of water vapor in the atmosphere.

Explanation:

Colder air requires less humidity to saturate compared to warmer air. Therefore, the relative humidity depends on the air temperature. If the temperature drops and the water vapor content remains the same, relative humidity increases. If the temperature increases and the water vapor content remains the same, relative humidity decreases. Additionally, a greater amount of water vapor in the air increases the relative humudity.

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Is a puddle of water an object in motion?

Brilliant_brown [7]

Yes, a puddle of water is an object in motion.

4 0

3 years ago

The cricket player while catches the ball wears gloves and why

gregori [183]

Answer:

the ball is travelling very fast and the player can get injured if he doesn't wear gloves

Explanation:

3 0

3 years ago

A 77.0 kg rider sitting on a 7.3 kg bike is riding along at 9.3 m/s in the positive direction. The rider drags a foot on the gro

saw5 [17]

Answer with Explanation:

We are given that

Mass of rider=m=77 kg

Mass of bike =m'=7.3 kg

Initial velocity,u=9.3 m/s

Final velocity,v=6 m/s

A.Change in velocity=v-u=6-9.3=-3.3 m/s

Total mass,M=m+m'=77+7.3=84.3 kg

Change in momentum= $M(v-u)=84.3(-3.3)=-278.19 kgm/s$

B.Impulse=Ft=Change in momentum=-278.19kg m/s

C.Time,t=13.2 s

$v=u+at$

Using the formula

$6=9.3+13.2a$

$13.2a=6-9.3=-3.3$

$a=-\frac{3.3}{13.2}=-0.25 ms^{-2}$

F= $ma$

$F=84.3(-0.25)=-21.075 N$

D. $S=ut+\frac{1}{2}at^2$

$S=9.3(13.2)+\frac{1}{2}(-0.25)(13.2)^2$

$S=100.98 m$

5 0

4 years ago

“Do you think that the role of culture, gender,

Serjik [45]

Answer:

this is based on your opinion but mine is...

Explanation:

Do you think that the role of culture, gender, and/or race has changed in sclence between the times we are learning about and today's times? If so, how? If not, explain your thoughts?

Yes by how because Race’ cannot be biologically defined due to genetic variation among human individuals and populations. (A) The old concept of the “five races:” African, Asian, European, Native American, and Oceanian. According to this view, variation between the races is large, and thus, the each race is a separate category. Additionally, individual races are thought to have a relatively uniform genetic identity. (B) Actual genetic variation in humans. Human populations do roughly cluster into geographical regions. However, variation between different regions is small, thus blurring the lines between populations. Furthermore, variation within a single region is large, and there is no uniform identity.

3 0

3 years ago

Why the value of dip is 0°in the equator 90° in the polar region?

valina [46]

Answer:

the value of dip is o degree in equator and 90 degree in the polar region because the value of angle of dip increases gradually while moving towards north to south from equator.

Explanation:

3 0

3 years ago