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Travka [436]
3 years ago
12

A veterinarian thinks that a dog has swallowed a key ring. Which types of electromagnetic waves is the doctor most likely to use

to check the dog?
Physics
2 answers:
Roman55 [17]3 years ago
4 0

Answer:

The vet must use X-rays.

oee [108]3 years ago
3 0

Answer:

D x-rays

Explanation:

uses thermal image to see inside the dog.

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During the spin cycle of a washing machine, the clothes stick to the outer wall of the barrel as it spins at a rate as high as 1
Darya [45]

To answer the two questions, we need to know two important equations involving centripetal movement:

v = ωr (ω represents angular velocity <u>in radians</u>)

a = \frac{v^{2}}{r}

Let's apply the first equation to question a:

v = ωr

v = ((1800*2π) / 60) * 0.26

Wait. 2π? 0.26? 60? Let's break down why these numbers are written differently. In order to use the equation v = ωr, it is important that the units of ω is in radians. Since one revolution is equivalent to 2π radians, we can easily do the conversion from revolutions to radians by multiplying it by 2π. As for 0.26, note that the question asks for the units to be m/s. Since we need meters, we simply convert 26 cm, our radius, into meters. The revolutions is also given in revs/min, and we need to convert it into revs/sec so that we can get our final units correct. As a result, we divide the rate by 60 to convert minutes into seconds.

Back to the equation:

v = ((1800*2π)/60) * 0.26

v = (1800*2(3.14)/60) * 0.26

v = (11304/60) * 0.26

v = 188.4 * 0.26

v = 48.984

v = 49 (m/s)

Now that we know the linear velocity, we can find the centripetal acceleration:

a = \frac{v^{2}}{r}

a = \frac{49^{2}}{0.26}

a = 9234.6 (m/s^{2})

Wow! That's fast!

<u>We now have our answers for a and b:</u>

a. 49 (m/s)

b. 9.2 * 10^{3} (m/s^{2})

If you have any questions on how I got to these answers, just ask!

- breezyツ

5 0
2 years ago
Can some please help me with this. Will brainliest
barxatty [35]

Answer:

1)chest

2)deltoid

3)bicep

4)abs

5)quadriceps

6)lats

7)triceps

8)glutes

9)calves

10)hamstring

11)trapezuis

Explanation:

the explanation is the picture

good luck :)

hopefully, this helps

have a nice day !!

8 0
2 years ago
The state of matter that has low thermal expansion​
leonid [27]

Answer:

Matter

Explanation:

Because it is solid

6 0
3 years ago
Read 2 more answers
Lipids are ___________ molecules that are insoluble in water. What does this mean?
emmainna [20.7K]
Do you have any options?
8 0
3 years ago
Read 2 more answers
In 2000, NASA placed a satellite in orbit around an asteroid. Consider a spherical asteroid with a mass of 5.00�1015kg and a rad
irakobra [83]

Answer:

a).v_{1}=13.49 \frac{m}{s}

b).v_{2}=17.54\frac{m}{s}

Explanation:

Using the conservation of energy and the kinetic energy of the satellite around the asteroid can model the motion in

\frac{1}{2}*m*v^2=\frac{G*M*m}{a_{o}}

v^2=\frac{2*G*M*m}{a_{o}}

G=6.673x10^{-11}\frac{m^3}{kg*s^2}

M=1.20x10^{16}kg

a).

a_{o}=8.8km*\frac{1000m}{1km}=8800m

v=\sqrt{\frac{2*6.673x10^{-11}\frac{m^3}{kg*s^2}*1.2x10^{10}kg}{8800m}}

v_{1}=13.49 \frac{m}{s}

b).

a_{f}=5.2km*\frac{1000m}{1km}=5200m

v=\sqrt{\frac{2*6.673x10^{-11}\frac{m^3}{kg*s^2}*1.2x10^{10}kg}{5200m}}

v_{2}=17.54\frac{m}{s}

3 0
3 years ago
Read 2 more answers
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