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Viktor [21]
3 years ago
8

What is a galvanic cell??

Physics
1 answer:
Kobotan [32]3 years ago
8 0
Its an electrochemical cell that derives electrical energy from spontaneous redox reactions taking place within the cell.
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Explain why is takes longer to hard boil an egg at high altitudes than at sea level.
krok68 [10]
Water boils at lower tempertature at higher altitude
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3 years ago
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Compare the maximum rate of heat transfer to the basal metabolic rate by converting a bmr of 88 kcal/hr into watts. what is the
elena-14-01-66 [18.8K]

Explanation :

It is given that,

BMR i.e basal metabolic rate is 88 kcal/hr. So, BMR in watts is converted by the following :

We know that, 1 kilocalorie = 4184 joules

So, 1\ kcal/h=\dfrac{1\times 4184\ J}{3600\ sec}

1\ kcal/h=1.16\ J/sec

J/sec is nothing but watts.

So, 1\ kcal/h=1.16\ watts

and 88\ kcal/h=88\times 1.16\ watts = 102.08\ watts

So, it can be seen that the body can accommodate a modes amount of activity in hot weather but strenuous activity would increase the metabolic rate above the body's ability to remove heat.

8 0
4 years ago
I WILL REPORT YOU IF YOU DON'T ANSWER QUESTION OR IF YOU PUT A LINK
stiks02 [169]

Answer: When a person jumps off the ground the forces internal to his legs are accelerating him upward.

Explanation:

It’s just a guess.

5 0
3 years ago
A person with a weight of 956 N runs up a 2.41 m staircase. If it takes 4.17 seconds to reach the top, how much power was genera
Solnce55 [7]

Answer: 552.5 watts

Explanation:

Given that,

Weight of man = 956 N

Height (h) = 2.41 m

Time taken (t) = 4.17 seconds

Power = ?

Recall that power is the rate of work done per unit time i.e Power = work/time

Thus, power = (mgh) / t

(Since weight = mass x acceleration due to gravity)

Power = (weight x height)/ time

Power = (956N x 2.41 m) / 4.17s

Power = 2303.96/4.17

Power = 552.5 watts

Thus, 552.5 watts of power is generated.

6 0
3 years ago
What is the mass of a large ship that has a momentum of 1.60x10^9 kg*m/s and is moving at a velocity of 10m/s?
Elden [556K]

Answer:

160000000 kg.

Explanation:

p=mv

p=1.6x10^9

v=10m/s

rearrange and substitute:

(1.6x10^9)=m(10)

m=(1.6x10^9)/10

m= 1.6x10^8 kg.

7 0
3 years ago
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