3 years ago

Explain two ways hydrogen for fuel cell vehicles can be produced

1 answer:

3 0

How Do Hydrogen Fuel Cell Vehicles Work? Fuel cell vehicles use hydrogen gas to power an electric motor. Unlike conventional vehicles which run on gasoline or diesel, fuel cell cars and trucks combine hydrogen and oxygen to produce electricity, which runs a motor.

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Lightning flashes one mile (1609 m) away from you. How much time does it take the light to travel that distance?

hichkok12 [17]

Answer:

$t=5.36\times 10^{-6}\ s$

Explanation:

Given that,

Lightning flashes one mile (1609 m) away from you.

We need to find the time it take the light to travel that distance. Let the time be t. We know that,

speed = distance/time

$t=\dfrac{d}{v}\\\\t=\dfrac{1609}{3\cdot10^{8}}\\\\=5.36\times 10^{-6}\ s$

So, the required time is $5.36\times 10^{-6}\ s$

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3 years ago

I’ll give brainliest, help!!

antiseptic1488 [7]

Answer:

A,W = 40 J

Explanation:

A, W =FS

W=10N(4m)

W = 40 J

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2 years ago

11. If a man is standing more than one focal length away from the focal point of a concave mirror, how will his image form in th

Vladimir79 [104]

Upside down if its further than 1 focal point you have seen this with a spoon and enlarged right side up if closer than 1 focal point

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3 years ago

What is the effect of_on_?

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skin cancer and it cause to lost transportating process

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4 years ago

A cheetah ran 300 feet in 2.92 seconds. What was the cheetah’s average speed in miles per hour?

olganol [36]

We will first convert feet to miles:
1 foot = 0.00018939 miles
300 foot = 0.056817 miles
Than seconds to hours:
2.92 seconds = 0.04867 minutes = 0.0008111 hours
Average speed :
v = d / t
v = 0.056817 miles / 0.008111 h
v = 70.05 miles per hour

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3 years ago