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Mashutka [201]
3 years ago
12

Antibodies are parts of a wave that do not move when the wave is in phase? T OR F

Physics
1 answer:
EastWind [94]3 years ago
7 0
Antinodes do you mean?
The answer is false.
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Three children are riding on the edge of a merry-go-round that is 100 kg, has a 1.60-m radius, and is spinning at 20.0 rpm. The
Kay [80]

Answer:

25.33 rpm

Explanation:

M = 100 kg

m1 = 22 kg

m2 = 28 kg

m3 = 33 kg

r = 1.60 m

f = 20 rpm

Let the new angular speed in rpm is f'.

According to the law of conservation of angular momentum, when no external torque is applied, then the angular momentum of the system remains constant.

Initial angular momentum = final angular momentum

(1/2 x M x r^2 + m1 x r^2 + m2 x r^2 + m3 x r^2) x ω =

                                  (1/2 x M x r^2 + m1 x r^2 + m3 x r^2 ) x ω'

(1/2 M + m1 + m2 + m3) x 2 x π x f = (1/2 M + m1 + m3) x 2 x π x f'

( 1/2 x 100 + 22 + 28 + 33) x 20 = (1/2 x 100 + 22 + 33) x f'

2660 = 105 x f'

f' = 25.33 rpm

8 0
3 years ago
True or False: Tests given in school have little relation to choosing a job
TiliK225 [7]
True because school doesn't dictate what job you want in the future
5 0
3 years ago
Read 2 more answers
A heat source could be considered a source of pollution Please select the best answer from the choices provided
jeyben [28]

The answer is true, is called Thermal pollotion:).

5 0
2 years ago
The sine ratio is the ratio formed by the hypotenuse over the side opposite the acute angle. True False
Paha777 [63]

Answer:False

Explanation:

The given statement is false

because the sine ratio is the ratio formed by the side opposite the acute angle to the hypotenuse

\sin (acute\ angle)=\frac{Perpendicular}{hypotenuse}  

4 0
3 years ago
Select the correct answer.
Rina8888 [55]

Answer:

D

Explanation:

D

7 0
3 years ago
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