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kipiarov [429]
3 years ago
15

How do acids taste? A. Sweet B. Soapy C. Bitter D. Sour

Physics
2 answers:
almond37 [142]3 years ago
6 0

Answer: The answer is D: Sour

Vladimir79 [104]3 years ago
4 0
Hello There

Answer: Acids taste sour (D)

Reason: Acids are sour<span> because of their hydrogen ion concentration.</span> A lemon is an example of an acid.

I hope this helps
-Chris
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A car traveling 28 mi/h accelerates uniformly for 8.9 s, covering 599 ft in this time. what was its acceleration? round your ans
almond37 [142]

Answer:

5.90 ft/s^2

Explanation:

There are mixed units in this question....convert everything to miles or feet

    and hr  to s

28 mi / hr = 41.066 ft/s

Displacement = vo t + 1/2 at^2

         599       =  41.066 (8.9)  + 1/2 a (8.9^2)

                      solve for a = ~ 5.90 ft/s^2

5 0
2 years ago
Suppose that the design parameters of the satellite's control system require that the angular velocity of the satellite not exce
Stells [14]

Answer:

v=0.04m/s

Explanation:

To solve this problem we have to take into account the expression

\omega=\frac{v}{r}

where v and r are the magnitudes of the velocity and position vectors.

By calculating the magnitude of r and replacing w=0.02rad/s in the formula we have that

|r|=\sqrt{(-1.18m)^2+(-0.9m)^2}=2.01m\\\\v=\omega r=(0.02\frac{rad}{s})(2.01m)=0.04\frac{m}{s}

the maximum relative velocity is 0.04m/s

hope this helps!!

6 0
3 years ago
Read 2 more answers
Why are Substances used as perfumes are usually in a liquid state
tester [92]

Answer:

Perfume is a mixture of fragrant oils in an ethanol/water solvent. The ethanol/water mixture, which is volatile, evaporates from the droplets within a few seconds, leaving behind a droplet of the fragrant compounds in the perfume. These compounds will also eventually evaporate to form a vapor of the fragrant molecules

8 0
2 years ago
Which projectiles will be visibly affected by air resistance when they fall?
NemiM [27]
Any object that is launched as a projectile will lose speed and, as a result, altitude, as it travels through the air. The rate at which the object loses speed and altitude depends on the amount of force that way applied to it when it was launched. It is also dependent on the size and shape of the item. This is why something like, say, a football is much faster to fall to the ground than a bullet.
4 0
3 years ago
Suppose you want to operate an ideal refrigerator with a cold temperature of -10.0ºC , and you would like it to have a coefficie
Arlecino [84]

Answer: temperature of the hot reservoir is 303.52K

Explanation:

Th=temperagture of hot reservoir

Tc=temperature of cold reservoir 263K

Eff=efficiency of the refrigerator

Cop=coefficient of performance

7

Eff=1/cop

Eff=1/7

Eff=0.142

Eff=1-263/th

0.142-1=-263/th

-0.858=-263/th

Th=303.52K

7 0
3 years ago
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