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
Answer:
The wood block reaches a height of 4.249 meters above its starting point.
Explanation:
The block represents a non-conservative system, since friction between wood block and the ramp is dissipating energy. The final height that block can reach is determined by Principle of Energy Conservation and Work-Energy Theorem. Let suppose that initial height has a value of zero and please notice that maximum height reached by the block is when its speed is zero.
(1)
Where:
- Maximum height of the wood block, in meters.
- Initial speed of the block, in meters per second.
- Kinetic coefficient of friction, no unit.
- Gravitational acceleration, in meters per square second.
- Mass, in kilograms.
- Distance travelled by the wood block along the wooden ramp, in meters.
- Inclination of the wooden ramp, in sexagesimal degrees.
If we know that , and , then the height reached by the block above its starting point is:
The wood block reaches a height of 4.249 meters above its starting point.
Answer:
rate
Explanation:
Note that speed has no direction (it is a scalar) and the velocity at any instant is simply the speed value with a direction.
Answer:
D
Explanation
take 5x2000 and J is the unit for power therfore it cant be A and B and C are not 10,000.
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