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11Alexandr11 [23.1K]
3 years ago
11

The particles that wake up matter don not change during an?

Physics
1 answer:
Vadim26 [7]3 years ago
3 0

is there multiple choice?

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An experiment is performed to determine how bats capture insects in the dark. A pair of microphones are set up on either end of
Masteriza [31]

Answer:

Explanation:

We shall apply Doppler's effect here .

original frequency = 79.79 kHz

apparent frequency due to movement of source ( bat ) = 81.63 Hz

Let the velocity of bat be v .

expression for apparent frequency can be given as follows

n = \frac{n_0V}{V-v}

n is apparent frequency , n₀ is original frequency , V is velocity of light and v is velocity of source of sound

Putting the values

81.63 = \frac{79.79\times 340}{340-v}

340-v = 332.33

v = 7.67 m /s

velocity of bat is 7.67 m /s .

7 0
3 years ago
7. A bicycle accelerates at 2.0 m/s2. If the mass of the bicycle and rider together is
kkurt [141]

Answer:

170 N

Explanation:

Since Force F = ma were m = mass = 85 kg and a = acceleration = 2.0 m/s².

So the net force on the bicycle is

F = ma = 85 kg × 2.0 m/s² = 170 N

4 0
3 years ago
O que é cena fone de luz na visão da fisica
yulyashka [42]
Me don’t speak spanish
4 0
3 years ago
A falling skydiver has a mass of 105 kg. What is the magnitude of the skydiver's acceleration when the upward force of air resis
LenKa [72]
F-free = m*g - F_air = m*a

F_air = 1.2 * m

a= (105 kg * 9.8 m.s^2 - 5*105) / 105 kg

a = 9.3 m/s

Hope this helps
7 0
3 years ago
If an astronaut has a mass of 80kg on earth, what is their mass on the moon?
stealth61 [152]

Answer:

130 N basically

Explanation:

6 0
3 years ago
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