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Marina CMI [18]
2 years ago
12

As water rises through the troposphere and cools, it changes from a(n) ————- to a(n) ———— through the process of condensation; w

hen the tiny drops of water come together, they form ————- .
Physics
1 answer:
Hoochie [10]2 years ago
4 0

Answer:

GAS,   LIQUID,    CLOUDS

Explanation:

Water can be in three states: solid, liquid and gas, passing from one to another depending on the pressure and temperature.

In this complementation exercise.

When the water cools down the GAS goes to the LIQUID state, these small drops unite and form the CLOUDS

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Name the physical quantity which changes contenously during uniform-circular motion.
kumpel [21]
The direction of the motion is constantly changing during
motion over any closed path, not only circular.
8 0
3 years ago
You then measure Polly's internal temperature to be 13oC, which is quite a drop from the normal human body temperature of 37oC.
ankoles [38]

Answer:

The specific heat is 3.47222 J/kg°C.

Explanation:

Given that,

Temperature = 13°C

Temperature = 37°C

Mass = 60 Kg

Energy = 5000 J

We need to calculate the specific heat

Using formula of energy

Q= mc\Delta T

c =\dfrac{Q}{m\Delta T}

Put the value into the formula

c=\dfrac{5000}{60\times(37-13)}

c=3.47222\ J/kg^{\circ}C

Hence, The specific heat is 3.47222 J/kg°C.

5 0
3 years ago
A ball is thrown vertically upward, which is the positive direction. a little later it returns to its point of release. the ball
PilotLPTM [1.2K]

This motion of all can be divided in to two, first the upward motion and second downward motion.

In case of projectiles time taken for upward motion = time taken for downward motion.

So we have time taken for upward motion = 8.14/2 = 4.07 seconds

We have equation of motion, v = u+at, where v is the final velocity , u is the initial velocity, a is the acceleration and t is the time taken.

In case of upward motion

    v = 0 m/s

    t = 4.07 seconds

    a = -9.8 m/s^2

  Substituting

       0 = u - 9.8*4.07\\ \\ u = 39.886 m/s

So initial velocity of ball = 39.886 m/s.

3 0
2 years ago
A toy plane has a mass of 2.5 kg and is 18 m above the ground. It is moving at 4.5 m/s. How much mechanical energy does the toy
sleet_krkn [62]
Mechanical energy is the sum of kinetic energy and potential energy, or E=Ek+Ep. So Ek=(1/2)*m*v² where m is the mass of the object and v is it's velocity. Mp=m*g*h where m is the mass, g=9.81 m/s² and h is the height of the object. So after we input the numbers the total mechanical energy is
E=(1/2)*2.5*(4.5²) + 2.5*9.81*18 = 25.3125 J + 441.45 J = 466.7625 J. The correct answer is E= 466 J. 
4 0
3 years ago
Read 2 more answers
A train traveling at 10 m/s accelerated at a rate of
ella [17]
<h3>Answer:  28 m/s</h3>

Work Shown:

  • Vi = starting or initial velocity = 10 m/s
  • Vf = unknown final velocity
  • a = acceleration = 3 m/s^2
  • t = duration of time = 6 seconds

Use those values in the following kinematic equation

Vf = Vi + a*t

Vf = 10 + 3*6

Vf = 10 + 18

Vf = 28

The final velocity is 28 m/s

8 0
2 years ago
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