1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mr_godi [17]
3 years ago
7

A Celcius and a Fahrenheit thermometer are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermo

meter registers fall of 72. The fall in temperature in Celcius scale will be
(a) 40 °C
(b) 70°C
(c) 50 °C
(d) 22.2 °C

Explanation Needed!!!
Process is required
Physics
1 answer:
Sholpan [36]3 years ago
7 0

Answer:

(d) 22.22 °C

Explanation:

Because in 1 Celcius is 1.8 fahrenheit apart from 2 celcius, so

when °C is 0 f is 32, when °C is 1 = 33.8 , so it rises with quantities of 1.8 fahrenheit

You might be interested in
While loading, a truck moves 10 meters west from point A to point B in 5 seconds. Then it moves back to point A in 5 seconds. Wh
Talja [164]

Answer:

2m/s

Explanation:

distance(s)=10m

time taken(t)=5s

Now,

Speed(s)=s/t

=10m/5s

=2m/s [•.• 10/5=2]

5 0
3 years ago
What does it mean to dissolve something
melamori03 [73]
Mixing something into a liquid to create a solution. 
4 0
3 years ago
Read 2 more answers
What is the materials of seprating salt,sand,iron fillings and beads.(Be specific)
dsp73

Answer: The Materials of separating salt sand and iron fillings is measurement

Explanation: The explanation to the answer is very easy in basic physics

5 0
4 years ago
Read 2 more answers
A spacecraft is fueled using hydrazine (N2H4; molecular weight of 32 grams per mole [g/mol]) and carries 1640 kilograms [kg] of
Sauron [17]

Answer:

The value is t = 689.029 \  hours

Explanation:

From the question we are told that

The molar mass of hydrazine is Z =  32 g/mol = \frac{32}{1000} = 0.032 \  kg/mol

The initial temperature is T_i  =  -186 ^o F = (-186-32) *\frac{5}{9} +273.15 = 152\ K

The final temperature is T_f  =  78 ^o F = (78-32) *\frac{5}{9} +273.15 = 298.7 \ K

The specific heat capacity is c_h  =  0.099 [kJ/(mol K)] = 0.099 *10^3 J/(mol/K)

The power available is P = 300 \ W

The mass of the fuel is m =   1640 \  kg

Generally the number of moles of hydrazine present is

n  =  \frac{m}{Z}

=> n  =  \frac{1640}{= 0.032}

=> n  =  51250 \ mol

Generally the quantity of heat energy needed is mathematically represented as

Q =  n * c_h * (T_f -T_i)

=> Q =  51250  * 0.099 *10^3  * (298.7 - 152)

=> Q =  7.441516913 * 10^{8} \  J

Generally the time taken is mathematically represented as

t =  \frac{Q}{P}

=> t =  \frac{7.441516913 * 10^{8} }{300}

=> t = 2480505.6377 s

Converting to hours

t = \frac{2480505.6377}{3600}

=> t = 689.029 \  hours

6 0
3 years ago
During which month is the bacteria population just under 1 million?
Thepotemich [5.8K]
D. March because it is just below the 1 million marker on the graph and it is the only one that low.
5 0
3 years ago
Other questions:
  • If electrons of energy 12.8 ev are incident on a gas of hydrogen atoms in their ground state, photons can be emitted by the exci
    13·1 answer
  • A circular wire loop has a radius of 7.50 cm. a sinusoidal electromagnetic plane wave traveling in air passes throughthe loop, w
    7·2 answers
  • Sir Dudley the Dextrous is loading cannons on top of the castle's tallest towers in preparation for an expected attack. He slips
    10·1 answer
  • The ceiling of a large symphony hall is covered with acoustic tiles which have small holes that are 4.35 mm center to center. If
    13·1 answer
  • A charged particle with charge of 2 (uC) and mass 10-20 (kg) is traveling with velocity of 108 (m/s) in space. The charge reache
    7·1 answer
  • For every force an object applies, there is an equal and
    10·1 answer
  • Which of the following is an example of an immiscible liquid?
    15·2 answers
  • What is the energy required to change 600g of liquid into steam if the specific heat latent is 4000 J/kg
    8·1 answer
  • A body cycles continously through a distance of 10km in 5 mins. calculate its average speed​
    14·1 answer
  • What is the purpose of the magnetic field in a cathode ray tube?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!