Answer:
Power delivered will be 10755.87 W
Explanation:
We have given mass of elevator m = 591 kg
Time t = 4.79 sec
As the elevator starts from rest so initial velocity u = 0m/sec
Final velocity v = 2.17 m/sec
From first equation of motion
v=u+at. here v is final velocity, u is initial velocity and t is time
So
Height is given by
As elevator moves upward and acceleration due to gravity is downward so net acceleration due to gravity is downward so net acceleration = g-a=9.8-0.453 = 9.347
Now work done
We know that power
The subject would be "Planet of the Apes" :)
The question is defective. If her acceleration is 2.5 m/s/s, then her speed is 2.5 m FASTER each second, and she will never stop.
Answer:
Explanation:
Part A
Resistances in Series Add
Rt = R1 + R2
Rt = 33 + 22
Rt = 55 ohms
Part B
Current is found by using ohms law
I = E/R
E = 120 volts
R = 55 ohms
I = 120/55
I = 2.18
Part C
<h3>a)</h3>
E = I * R
E = ?
I = 2.18
R = 22 ohms
E = I * R
E = 2.18 * 22
E = 48 volts when I is not rounded in Part B
<h3>b)</h3>
E = I * R
E = ?
I = 2.1818...
R = 33
E = 2.181818... * 33
E = 72 when the repeating decimal is allowed to repeat.
Part D
The total voltage drop across both resistors adds
E = 72 + 48
E = 120 Volts