Answer:
Kinetic energy is the amount of energy a object has while it's in motion, and thermal energy is heat energy. In this case when the heat rises in substances for example a solid it will transform into a liquid causing the molecules to move faster which is a increase of kinetic energy.
Explanation:
It is wave front
That’s the answer
Answer:
Explanation:
From the question, we can see that the elevator is at a constant speed, invariably, acceleration is zero. And thus, there is no external force acting in the man, asides from force of gravitation acting on the man between those 5s. Now, we solve the question using newton's second law of motion.
The second law of motion states that, "the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object."
Summation Fy = ma(y)
F(n) - F(g) = 0
F(n) - mg = 0
F(n) = mg
F(n) = 77*9.81
F(n) = 755.37N
Answer:
The diameter is 0.022m.
Explanation:
The magnetic field 
at the center of the coil is given by
(1). 
where 
is the magnetic constant, 
is the current, 
number of coils, and 
is the diameter of the coil.
Now, if we call 
the length of the wire, then it must be true that
<em>(this says </em><em> coil circumferences (</em>
<em>) fit into </em><em> )</em>
putting this into equation (1) we get:
solve for 
putting in the numerical values
we get:
