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Nutka1998 [239]
3 years ago
11

Help!! I’ll give brainliest!! Which person will hear the highest pitch?

Physics
2 answers:
Ad libitum [116K]3 years ago
5 0
I believe person A will have the highest pitch
GarryVolchara [31]3 years ago
5 0
Person C will because the higher pitch is always moving towards the observer.
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What is a tornado any body pls help
Vinvika [58]
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3 0
3 years ago
Read 2 more answers
Liquid helium has a temperature of 4k what is the temperature on celsius and fahrenheit
lesya692 [45]

Answer:

Explanation:

4K

°C = K - 273

= 4 - 273

= - 269 °C

° F = 9/5 (K - 273) + 32

= 9/5 × (4 - 273) + 32

= 1.8(-269) + 32

= - 487.4. + 32

= -455.4 °F

8 0
3 years ago
What contributions did J.J. Thomson make to atomic history?
luda_lava [24]
J.J. Thomson discovered electrons and noticed that an atom can be divided. Also, he concluded atoms are made of positive cores and negatively charged particles within it.
4 0
3 years ago
According to the pressure-flow hypothesis, why must sieve-tube elements in phloem be living cells?
Zigmanuir [339]
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3 0
3 years ago
When you drop a 0.37kg apple earth exerts a force on it that accelerates it at 9.8m/s^2 toward the earths surface. According to
Delvig [45]

force applied due to earth on the apple is given as

F = ma

given that

m = 0.37 kg

a = 9.8 m/s^2

now we have

F = m*a

F = 0.37* 9.8 = 3.63 N

now as per Newton's III law equal and opposite force is applied on earth

so now we can find acceleration of Earth using same equation as we used above

F = ma

here we know that

m = mass of earth

F = 3.63 N

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a = \frac{3.63}{5.98 * 10^{24}

a = 6.1 * 10^{-25} m/s^2

so acceleration of earth is very small and given by above value

5 0
3 years ago
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