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lawyer [7]
3 years ago
8

The percentage of water vapor in the air compared to the maximum amount of water vapor that air can contain at a particular temp

erature.
Physics
1 answer:
natali 33 [55]3 years ago
5 0

Answer:

Relative humidity %

Explanation:

  • The relative humidity is the percentage of the water vapor content at a particular temperature and pressure to the maximum amount of water vapor content the air can hold at those conditions.
  • When the relative humidity of the air becomes 100% then there occurs precipitation on the earth from the atmosphere (specifically troposphere, which accounts for the weather changes).
  • We might have experienced excessive sweating even on a relatively less hotter day of a summer which is on account of increased relative humidity.
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What is the magnitude of the force needed to keep a 60. -newton rubber block moving across level, dry asphalt in a straight line
OverLord2011 [107]

Answer:

A force of μk⋅60N is needed to keep a 60-newton rubber block moving across level, dry asphalt in a straight line at a constant speed.

Explanation:

6 0
2 years ago
3 things that Gravity affects
slamgirl [31]

Answer: See explanation

Explanation:

Gravity is simply referred to as the force of attraction between two particles or masses. Through gravity, the moon moves round the Earth.

Gravity also causes a fruit to fall from its tree. It can also cause an object to roll and fall from the table to the ground. In gravity, distance and mass are vital.

4 0
3 years ago
What is the state of an object being acted upon by an unbalanced force? A. at rest B. zero speed C. in motion with a constant ve
kaheart [24]

Answer:

D. accelerated

Explanation:

According to Newton's first law of motion, an object always remains in its state of rest or in uniform motion until an external unbalanced force is acted upon the object. This means if an external unbalanced force is acted on the object, it will come to a non-uniform motion i.e., an accelerated motion.

Let me first get you clear that uniform motion is determined by a constant velocity and a state of rest is considered by a zero velocity or speed. But, here we have an unbalanced force acting on the object. This means the object will change its velocity and hence, it has an accelerated motion.

4 0
3 years ago
An object is thrown straight up with a velocity, in ft/s, given by v(t)= -32t + 83, where t is in seconds, from a height of 46 f
____ [38]
<h2>a) Initial velocity = 83 ft/s</h2><h2>b) Object's maximum speed = 99.4 ft/s</h2><h2>c) Object's maximum displacement = 153.64 ft</h2><h2>d) Maximum displacement occur at t = 2.59 seconds.</h2><h2>e) The displacement is zero when t = 5.70 seconds</h2><h2>f) Object's maximum height = 153.64 ft</h2>

Explanation:

We have velocity

             v(t)= -32t + 83

Integrating

              s(t) = -16t²+83t+C

At t = 0 displacement is 46 feet

              46 = -16 x 0²+83 x 0+C

                 C = 46 feet

So displacement is

              s(t) = -16t²+83t+46

a) Initial velocity is

                 v(0)= -32 x 0 + 83 = 83 ft/s

       Initial velocity = 83 ft/s

b) Maximum velocity is when the object reaches ground, that is s(t) = 0 ft

Substituting

             0 = -16t²+83t+46

             t = 5.70 seconds

Substituting in velocity equation

           v(t)= -32 x 5.70 + 83 = -99.4 ft/s

           Object's maximum speed = 99.4 ft/s

c) Maximum displacement is when the velocity is zero

   That is

                 -32t + 83 = 0

                       t = 2.59 s

Substituting in displacement equation

                s(2.59) = -16 x 2.59²+83 x 2.59+46 = 153.64 ft

Object's maximum displacement = 153.64 ft

d) Maximum displacement occur at t = 2.59 seconds.

e) Refer part b

   The displacement is zero when t = 5.70 seconds

f) Same as option d

   Object's maximum height = 153.64 ft

5 0
3 years ago
Assume charge builds up on the cloud and on the ground until a uniform electric field of 4.00 ✕ 106 N/C throughout the space bet
kumpel [21]

Answer:

The value of the maximum charge the cloud can hold  Q = 177.08 coulomb

Explanation:

Given data

Electrical Field E = 4 × 10^{6} \frac{N}{C}

the maximum charge the cloud can hold is given by

Q = E A x ---- (1)

where A = area  = 5 × 10^{6}

x = electrical Permittivity of air = 8.854 × 10^{-12}

Q = (4 × 10^{6} ) (5 × 10^{6} ) ( 8.854 × 10^{-12} )

Q = 177.08 coulomb

This is the value of the maximum charge the cloud can hold.

6 0
3 years ago
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