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Mashcka [7]
3 years ago
15

The motion of a car on a position-time graph is represented with a horizontal line. What does this indicate about the car's moti

on?
A.It's not moving.
B. It's moving at a constant speed.
C. It's moving at a constant velocity.
D. It's speeding up.
Physics
2 answers:
Ksenya-84 [330]3 years ago
5 0

Answer: The answer is B

Explanation: It is staying in a steady speed position

kumpel [21]3 years ago
5 0

Answer:B it is going a constant speed

                                                       

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The specific heat of granite is 800 J/(kg·°C). How much heat does it take to raise 1 kg of granite 4°C?
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Answer:

h=17357.9m

Explanation:

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To calculate this, you need to use the barometric formula:

P=P_0e^{-\frac{Mg}{RT}h}

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Furthermore, the specific gas constant is defined by:

R_{H_2}=\frac{R}{M}

Therefore yo can write the barometric formula as:

P=P_0e^{-\frac{g}{R_{H_2}T}h}

at the surface of the planet (h =0) the pressure is P_0[\tex]. The pressure at the height requested is half of that:[tex]P=\frac{P_0}{2}

applying to the previuos equation:

\frac{P_0}{2} =P_0e^{-\frac{g}{R_{H_2}T}h}

solving for h:

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3 0
3 years ago
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Answer:

16Newton sec

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= 0.4( 22 + 18)

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6 0
3 years ago
Read 2 more answers
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