radiation
when the suns radiation fall on the earth and its objects they receive heat energy and hence get heated. Thus the suns heat reaches the earth by. the process of radiation
The instantaneous velocity always tangential to circular path and instantaneous acceleration always points towards the center of circle.
What is instantaneous?
The definition of instantaneous velocity is the rate of change of location during a time that is virtually zero .The replica was. The definition of instantaneous velocity is the speed of a moving item at a certain instant in time.
The rate of change of location during a relatively brief period of time is known as instantaneous velocity.
In the limit when the time (and thus the displacement) between the two places approaches zero, the instantaneous acceleration is the average acceleration between two points on the route.
so, both of them are perpendicular to each other.
To learn about instantaneous velocity
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Answer:
The temperature of air will increase by 
Explanation:
Given:
- no. of person in a theater,
- volume of air in the theater,
- rate of heat given off by each person,
- duration of movie,
- initial pressure in the theater,
- initial temperature in the theater,
- specific heat capacity of air at the given conditions,
<u>The total quantity of heat released by the total people in the theater during the movie:</u>
<u>Form the relation of heat capacity:</u>
∵
Change in temperature of air:
M = 150 kg.
Final velocity, v = 14 m/s
Initial Velocity, u = 6 m/s
Impulse = m(v - u)
= 150*(14 - 6)
= 150*8 = 1200 kgm/s or 1200 Ns
