Answer:
104 kWh
Explanation:
To calculate the kWh you multiply power with the amount of hours.
So for this we take 5200 W × 20 = 104 000 Wh
Then change Wh to kWh so that makes 104 kWh
Answer: 225N to the right
Explanation:
The pedaling force is to the right and of 325N.
The air resistance is to the opposite side (in this case to the left) of 100N.
To find Net force of an object with two opposite forces acting on them then we have to subtract the smaller force from the bigger force and but the direction of the bigger force, so
325N-100N=225N
The greater force is towards the right proving the direction of the Net force is to the right.
Therefore the Net force is 225N to the right.
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