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krok68 [10]
3 years ago
10

Help! 27 degrees Celsius - What is the temperature in Fahrenheit? please help i will make you a cool thing on the computer ( gra

phic design no joke)
Physics
1 answer:
Nookie1986 [14]3 years ago
4 0
27 degrees celsius is equal to 80.6 degrees Fahrenheit.
to convert celsius to Fahrenheit one must times the temp in degrees c by 9.5 then add 32

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Answer:

d

Explanation:

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2 years ago
Calculate the number of millimeters in 2.13 kilometer.
lapo4ka [179]

The answer is 2,130,000

6 0
3 years ago
1. On the planet Microid, trains that run on air tracks much like the air track you used in lab are the principle means of trans
Sedaia [141]

Answer:

a) the mass of the second car = 28000 kg

b) the amount of kinetic energy that was lost in the collision = 246.9*10^3 \ J

Explanation:

Given that:

mass of the train car m_1 = 6300 kg

speed of the train car v_1 = 12.0 m/s

mass of the second moving car m_2 = ???

speed of the second moving car v_2 = 2.2 m/s

After strike;

they both move with a speed v_f = 4.00 m/s

a)

Using the conservation of momentum :

m_1v_1+m_2v_2 = (m_1 + m_2)v_f

(6300*12)+m_2(2.2) = (6300 + m_2)4

(75600)+m_2(2.2) = 25200 + 4m_2

75600 - 25200  = 4m_2 -2.2m_2

50400 = 1.8m_2

m_2 = \frac{50400}{1.8}

m_2 = 28000 \ kg

b)

To determine the amount of kinetic energy that was lost in the collision;

we will need to find the difference between the kinetic energy before the collision and after the collision;

i.e

K.E _{lost} = K.E_{i} - K.E _{f}

K.E_{i}  =  \frac{1}{2} m_1v_1^2 + \frac{1}{2}m_2v_2^2

K.E_{i}  =  \frac{1}{2} (6300)(12)^2 + \frac{1}{2}(28000)(2.2)^2

K.E_{i}  =  521360 \ J

K.E_{f}  = \frac{1}{2}(m_1 + m_2 ) v_f ^2

K.E_{f}  = \frac{1}{2}(6300 + 28000 ) (4)^2

K.E_{f}  =274400 \ J

Now;  the  kinetic energy that was lost in the collision is calculated as follows:

K.E _{lost} = K.E_{i} - K.E _{f}

K.E_{lost} = (521360-274400) \ J

K.E_{lost} =246960 \ J

K.E_{lost} =246.9 * 10 ^3 \ J

7 0
3 years ago
If a certain mass has its velocity changed from 6.00 m/s to 7.50 m/s when a 3.00 n force acts for 4.00 seconds, find the mass of
shutvik [7]
By definition we have that the force for time is equal to the product of the mass for the change in speed.
 We have then that
 F * (delta t) = m * (delta v)
 Clearing the mass
 m = (F * (delta t)) / (delta v)
 Substituting the values
 m = ((3.00) * (4.00)) / (7.50-6.00) = 8
 answer
 The mass of the moving object is 8Kg
3 0
3 years ago
Read 2 more answers
If it's 58F outside, what is the temperature in degrees Celsius?
4vir4ik [10]
14.4 degrees celcius
7 0
3 years ago
Read 2 more answers
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