Well, if the position is <u> x(t) = 2t² + 3t - 5</u>
then the speed is x ' (t) = 4t + 3 (first derivative of 'x' wrt 't')
and the acceleration is x ' ' (t) = 4 (second derivative of 'x' wrt 't')
Apparently, then, the acceleration is constant, and is not a function of time.
After 2.7 seconds or 2.7 years, the acceleration is 4 .
Force = (mass) x (acceleration)
Force = (1.8) x (4)
<em>Force = 7.2 newtons </em>
Answer:
Transactional process
Explanation:
Because communication involves two or more people acting in both sender and receiver roles and because their messages are dependent on and influenced by those of their partner means that communication is a transactional process i.e. a give and take process.
If the sender relays a message and the receiver does not reply or reply not taking cognizance of the sender's message, communication has not taken place.
For example, if consider this.
Sender: How old are you?
Reciever: My Cat is Red.
The response of the receiver is not in tune with the sender and so communication has not taken place.
Answer:
The energy that drives this movement is heat within the earth, this heat comes from two main sources which are;
1) residual heat left over from the formation of our planet billions of years ago.
2) The radioactive decay of naturally occurring chemical elements (notably uranium, thorium, and potassium ) in the earth releases energy in the form of heat. These two sources of heat warm Earth’s mantle and cause it to rise and sink, this rising and sinking creates a convectional movement of earth mantle.
One way you could think about it is that you used science of electronics to develop the technology of a computer
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