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Lemur [1.5K]
3 years ago
12

A rocket experiences a constant force even as the amount of fuel in its fuel tanks decreases. what happens to the acceleration o

f the rocket as it runs out of fuel?
Physics
2 answers:
Phantasy [73]3 years ago
8 0
<span>A rocket experiences a constant force even as the amount of fuel in its fuel tanks decreases. The acceleration on the other hand would increase since mass and acceleration is inversely proportional. By virtue of the equation F=ma. Hope this answers the question.</span>
Sergio [31]3 years ago
5 0

Answer:

D. The acceleration increases because the mass decreases.

Explanation:

I took the quiz and its right :)

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A sample of 4.50 g of methane occupies 12.7 dm3 at 310 K. (a) Calculate the work done when the gas expands isothermally against
valkas [14]

Answer:

(A) Work done will be 87.992 KJ

(B) Work done will be 167.4 KJ            

Explanation:

We have given mass of methane m = 4.5 gram = 0.0045 kg

Volume occupies V_1=12.7dm^3=12.7liters

And volume is increased by 3.3dm^3 so V_2=12.7+3.3=16liters

Temperature T = 310 K

Pressure is given as 200 Torr = 26664.5 Pa

(a) At constant pressure work done is given by

W=P(V_2-V_1)=26664.5\times (16-12.7)=87992.85J=87.992kj

(b) At reversible process work done is given by W=nRTln\frac{V_2}{V_1}

We have given mass = 4.5 gram

Molar mass of methane = 16

So number of moles n=\frac{mass\ in\ gram}{mol;ar\ mass}=\frac{4.5}{16}=0.28125

So work done W=0.28125\times 8.314\times 310ln\frac{16}{12.7}=167.4J

7 0
3 years ago
Betty is six years old and often asks her parents many questions. Her parents respond to her questions however trivial they may
Brums [2.3K]

This behavior helps Betty in <u>intellectual  </u>development.

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3 years ago
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Plants absorb water from the soil through their roots. _______ of this water is used for photosynthesis; _______ of this water e
netineya [11]
THE CORRECT CHOICE IS B
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2 years ago
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Deadpool is doing a superhero landing from a 21 meter tall building what would his velocity be right before he hits the ground?
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I think he would be dead poggers

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2 years ago
A 27-g steel-jacketed bullet is fired with a velocity of 640 m/s toward a steel plate and ricochets along path CD with a velocit
Dmitry [639]

Answer:

F = - 3.56*10⁵ N

Explanation:

To attempt this question, we use the formula for the relationship between momentum and the amount of movement.

I = F t = Δp

Next, we try to find the time that the average speed in the contact is constant (v = 600m / s), so we say

v = d / t

t = d / v

Given that

m = 26 g = 26 10⁻³ kg

d = 50 mm = 50 10⁻³ m

t = d/v

t = 50 10⁻³ / 600

t = 8.33 10⁻⁵ s

F t = m v - m v₀

This is so, because the bullet bounces the speed sign after the crash is negative

F = m (v-vo) / t

F = 26*10⁻³ (-500 - 640) / 8.33*10⁻⁵

F = - 3.56*10⁵ N

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