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tatuchka [14]
3 years ago
8

1. Which of the following identifies the part of blood shown in B and describes its function? (1 point)

Physics
1 answer:
Lelechka [254]3 years ago
6 0
White blood cells fight boy invaders to the body.
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If the frequency of a FM wave is 8.85 × 107 hertz, what is the period of the FM wave?
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Answer:

1.1299 x 10^-8   second    

Explanation:

Period = 1 / f = 1 / (8.85 * 10^7) = 1.1299 x 01^-8  sec

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2 years ago
A small metal sphere has a mass of 0.16 g and a charge of -23.0 nC . It is 10 cm directly above an identical sphere with the sam
Hoochie [10]

Explanation:

A) we know that the magnitude of force

F= \frac{kq_1q_2}{d^2}

F= \frac{9\times10^9\times23\times10^{-9}\times23\times10^{-9}}{0.1^2

= 4.761×10^{-4} N

Also, net force = gravitational force - electrostatic force

B) F_net = F_g - F_e

m×a = m×g - 4.761×10^-4

a = g - 4.761×10^{-4}÷m

a= 9.8 - (4.761×10^{-4} /0.16×10^{-3})

a= 9.8 -2.975625

a= 6.82 m/s

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3 years ago
New stars form from ?
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Stars form from an accumulation of gas and dust, which collapses due to gravity and starts to form stars. The process of star formation takes around a million years from the time the initial gas cloud starts to collapse until the star is created and shines like the sun
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Your friend is flying a remote control jet in your yard, as seen in the diagram above. As it flies past you, you notice that the
krok68 [10]

Answer: the pitch would be higher than it was at a lower speed because the air in front of the jet is compressed

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Please help!<br> If an object has a mass of 500 g and floats, what volume of water must it displace?
mafiozo [28]

It must displace at least 500 milliliters (0.5 liter) of water, in order to float in water.

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