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Ymorist [56]
4 years ago
14

The shuttles main engine provides 154,360 kg of thrust for 8 minutes. If the shuttle accelerated at 29m/s/s, and fires for at le

ast 8 minutes, then how far does the shuttle go
Physics
1 answer:
Vinil7 [7]4 years ago
3 0

Answer:

The answer to the question is

3340800 m far

Explanation:

To solve the question, we note that acceleration = 29 m/s²

Time of acceleration = 8 minutes

Then if the shuttle starts from rest, we have

S = u·t+0.5·a·t² where u = 0 m/s = initial velocity

S = distance traveled, m

a = acceleration of the motion, m/s²

t = time of travel

S = 0.5·a·t² = 0.5×29×(8×60)² = 3340800 m far

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A current 2a flows in a circuit fir 2 minutes. Calculate the charge generated in a circuit​
nirvana33 [79]

Answer:

the charge generated in the circuit​ is 240 C.

Explanation:

Given;

current flowing in the circuit, I = 2A

time of current flow, t = 2 minutes = 2 x 60s = 120 s

The current flowing through a given circuit is defined as the quantity of charge flowing through the circuit in a given time.

I = \frac{Q}{t} \\\\Q = I t

where;

Q is the charge flowing in the circuit

Q = 2 x 120

Q = 240 C

Therefore, the charge generated in the circuit​ is 240 C.

3 0
3 years ago
The oven draws 1100 W of power, and you have determined that it heats with an efficiency of 51%. Using this information, determi
LiRa [457]

Answer:

134.75935 seconds

Explanation:

m = Amount of water = 240 mL

c = Specific heat of water = 4.2 J/mL °C

\Delta T =  Change in temperature = 100-25=75

t = Time taken

P = Power = 1100 W

E = Pt

Efficiency = 51 %

So, Energy = 0.51Pt

As energy is conserved

Q = 0

\\\Rightarrow -mc\Delta T+E=0\\\Rightarrow -mc\Delta T+Pt=0\\\Rightarrow -240\times 4.2(100-25)+0.51\times 1100t=0\\\Rightarrow t=\frac{240\times 4.2(100-25)}{0.51\times 1100}\\\Rightarrow t=134.75935\ s

The it takes to raise the temperature is 134.75935 seconds

6 0
4 years ago
At what Fahrenheit temperature are the Celcius and Fahrenheit temperatures numerically the same?
Alex777 [14]

Answer:

-40 degrees

Explanation:

5 0
3 years ago
In the light reactions, electrons from _______ replenish chlorophyll molecules that have given up electrons.​
mel-nik [20]

Answer: water

 The light reactions of noncyclic photophosphorylation takes place in the chloroplast. The light energy is converted to chemical energy to produce both ATP and NADPH, which act as energy-transfer molecules in the light-independent reactions of the Calvin cycle. The addition of phosphate due to synthesizing of ATP by cells results to photophosphorylation.

Moreover, <span>the electrons from water replenish chlorophyll molecules that have given up electrons by photolysis. The two electrons from the water molecule are kept in photosystem II, while the 2H+ and 1/2O2 are left out for further use.</span>

.

 

5 0
3 years ago
A cruise ship makes its way from one island to another. The ship is in motion compared with which reference point?
SVEN [57.7K]
As the ship is not in motion compared with passengers on the ship so
it will be
a lighthouse on a nearby island
so correct answer will be C
hope it helps
3 0
3 years ago
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