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Westkost [7]
4 years ago
6

What happens when water vapor condenses into dew in terms of energy

Physics
2 answers:
vichka [17]4 years ago
6 0
The water absorbs energy which causes chemical bonds to form, changing water into dew

Aleonysh [2.5K]4 years ago
4 0
The extra energy from the vapor(a gas)leaves the vapor when it becomes dew(a liquid)and goes into the surrounding area.
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Eric drops a 2.20 kg water balloon that falls a distance of 45.08 m off the top of a
Marianna [84]

Answer:

972 J

Explanation:

At the bottom, all the gravitational potential energy was converted into kinetic energy. If you calculate the GPE, its value will be the same that the KE at the bottom. The GPE can be calculated this way:

GPE = mass×gravity×heigth

GPE = 2.2×9.8×45.08 ≈ 972

4 0
2 years ago
Determine the frequency of light whose wavelength is 4.257 x10-7 cm
Bas_tet [7]
<span>Frequency x Wavelength = Speed of light Now, speed of light = 3 x 10^5 km/s = 3 x 10^8 m/s = 3 x 10^10 cm/s Frequency = speed/Wavelength = (3 x 10^10)/(4.257 x 10^-7) =7 x 10^16 Hz</span>
6 0
3 years ago
A ball A of mass 0.5 kg moving with a Velacity of 10 m/s a head on Collision with a ball B of mass 2kg moving with a Velocity of
Nesterboy [21]

Answer:

The common velocity v after collision is 2.8m/s²

Explanation:

look at the attachment above ☝️

3 0
2 years ago
A train has a final velocity of 110 km/h. It accelerated for 36 s at 0.50 m/s2 . What was its initial velocity
Tems11 [23]

The initial velocity of the train  is 12.56 m/s.

<h3>Initial velocity</h3>

The initial velocity of the train can be determined by using the first kinematic equation as shown below;

v = u + at

u = v - at

where;

  • v is the final velocity = 110 km/h = 30.56 m/s
  • u is the initial velocity

u = 30.56 - (36 x 0.5)

u = 12.56 m/s

Thus, the initial velocity of the train  is 12.56 m/s.

Learn more about initial velocity here: brainly.com/question/19365526

3 0
2 years ago
Jogging on hard surfaces with insufficiently padded shoes produces large forces in the feet and legs.
Step2247 [10]

Answer:

Part a)

F = 15600 N

Part b)

force is 21.2 times more than the weight of the person

Explanation:

Part a)

As it is given that the distance after which he stopped is given as

d = 1.50 cm

here finally it stops so final speed is given as

v_f = 0

initial speed is given as

v_i = 6 m/s

now by the equation of kinematics we know that

v_f^2 - v_i^2 = 2a d

0^2 - 6^2 = 2(a)(0.015)

a = -1200 m/s^2

Now the force on the leg is given as

F = ma

m = mass of leg = 13 kg

F = (13 kg)(-1200 m/s^2)

F = 15600 N

Part b)

Force due to weight of the object

F_g = Mg

here we know

M = 75.0 kg

F_g = 75(9.81)

F_g = 735.75 N

Now we know that the ratio of the weight with the force on leg is given as

\frac{F}{F_g} = \frac{15600}{735.75} = 21.2 N

so force is 21.2 times more than the weight of the person

5 0
4 years ago
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