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Setler79 [48]
3 years ago
10

How old is someone with a Maximum Heart Rate of 191?​

Physics
1 answer:
pantera1 [17]3 years ago
8 0

Answer:

30 years old

Explanation:

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HURRY!
arsen [322]

Answer:

changes direction

changes speed

bounces off the boundary

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3 years ago
A tube closed at one end is used to determine the speed of sound in air. The resonances occur every 32 cm when a 530-Hz tuning f
soldi70 [24.7K]

Answer:169.6m/s

Explanation:

Wavelength=32cm=0.32m

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Velocity=frequency x wavelength

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Velocity=169.6m/s

6 0
3 years ago
Consider the chemical equation CH4 + 2 O2 → CO2 + 2 H2O. In this equation, CH4 is a
Dennis_Churaev [7]

CH4+2O2=\ \textgreater \ CO2+2H2O
Since t<span>erms which are placed left to the arrow mark are reactants  and those placed right are products you can easily solve the task represented above. According to the information I've provided CH4 is reactant and it is </span><span>Fule. So, the correct answer is B.</span>
3 0
3 years ago
Read 2 more answers
Nitrogen condenses at -196 °C and freezes at -210 °C. At which of the
maksim [4K]

Answer:

-200°C

Explanation:

This is because at -200°C the temperature is below -196°C and above -210°C .Thus Nitrogen can be in liquid state.

5 0
3 years ago
Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and th
telo118 [61]

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