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3 years ago

11

After using a thermometer where should it be placed

1 answer:

Oxana [17]3 years ago

7 0

After using a thermometer, it is best to wash it so that the next person who is going to use it won't get the flu or illness that the person who used it before. In washing it, it is best to wash it, rinse it thoroughly, sanitized it with the use of alcohol to remove excess germs and bacteria that could be still stuck on it and lastly, air dry. When dried, placed it on its proper case to avoid it from breaking or being contaminated.

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A toy car is placed 29.0cm from a convex mirror. The image of the car is upright and one-sixth as large as the actual car. Calcu

borishaifa [10]

Answer:

The power of the mirror is -17.24 diopter.

Explanation:

Magnification of an image,m = $\frac{1}{6}$

Distance of the object from the mirror = u = 29.0 cm

Distance of an image from the mirror = v

Magnification = $m=\frac{-v}{u}$

$\frac{1}{6}=\frac{-v}{u}$

$v=\frac{-u}{6}$

$\frac{1}{f}=\frac{1}{u}+\frac{1}{v}$

$\frac{1}{f}=\frac{1}{u}+\frac{-6}{u}$

$f=\frac{-u}{5}=\frac{-29.0 cm}{5}=-5.8 cm$

Focal length of mirror = -5.8 cm =-0.058 m

Power of the lens = P

$P =\frac{1}{f}$

$P=\frac{1}{-0.058 m}=-17.24 D$

8 0

3 years ago

In a horizontal pipe with a gradually decreasing cross-section (in the direction of flow) there is a clear fluid of unknown dens

qwelly [4]

Answer:

the density of this clear fluid is 1140.35 kg/m^3

Explanation:

Given that :

$P_p = P__{Q}} + 260 \ Pa \\ \\ v_p =0.37 \ m/s \\ \\ v_Q = 0.77 \ m/s$

According to Bernoulli's Equation.

$P_p + \frac{1}{2} pv^2_p+pgh_p= P_Q+ \frac{1}{2} pv^2_Q + pgh_Q$

∴ $260 = \frac{1}{2}p (v^2_Q-v^2_p)$ since ( $h_p = h_Q$ )

$\rho = \frac{2(260)}{v^2_Q-v^2_p}$

$\rho = \frac{2(260)}{0.77^2-0.37^2}$

$\rho = \frac{520}{0.5929-0.1369}$

$\rho =$ $1140.35 \ kg/m^3$

5 0

4 years ago

Which set of terms represent mechanical waves?

Helga [31]

Energy that transfers through the medium

4 0

4 years ago

What two areas of your body (related to the skeletal system) would be impacted by prolonged periods of sitting and typing

Naddik [55]

Answer: Weak Legs and Glutes

Explanation: Cause ur legs go brrrrrr

3 0

3 years ago

The Milky Way galaxy contains interstellar matter that may a. Form new galaxies b. Form new stars c. Form new universes D. Form

Nana76 [90]

I think the answer is D but I’m not sure

3 0

3 years ago