Answer:
34.5 m at 55.5 degrees above the positive x-axis
Explanation:
Resolving a vector means finding its components along two perpendicular axis: most commonly, they are chosen as the x and y axis.
In this problem, we have a vector whose components are:
x -component: 19.5 m
y- component: 28.4 m
The two components are perpendicular to each other: this means that we can find the magnitude of the vector by using the Pythagorean theorem
The direction, instead, can be found by using the following formula:
Answer:
<u>18000 J</u> is the work can do by the motor.
Explanation:
If an electric motor works for 12 seconds and the power output is 1.5 KW = 1500 Watts we need to find how much work can an electric motor does.
We know that,
“Power” is defined as the “rate” of doing “work”, the “energy” transferred or converted per unit time. Mathematically, 
Where, units of power is “Watt”, units of work is “Joule” and time in “seconds”.
Substitute the given values to find work
1500 × 12 = work
Work = 18000 Joules
Therefore, work can done by an electric motor is <u>18000 J</u>.
As we know that the conductance is given by the formula
now here we know that
L = length
now we know that conductance will remain constant while the length is quadrupled
so here we have
so here radius becomes double
so correct answer will be
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Answer:
acceleration is the rate of change of the velocity of an object with respect to time.
Explanation:
