4. A train is running at a speed of 72 km/br, how far will it go in 7 seconds?
1 answer:
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Hello!
Answer:
2000 J
Explanation
Work equation is expressed as:
Where:
F: Applied force
d: traveled distance
α: Angle between the direction of the force and the direction of the movement. (in this case, both of the direction are the same, so the angle is 0°)
By substituting:
Have a nice day!
Answer:
2000 J
Explanation
Work equation is expressed as:
Where:
F: Applied force
d: traveled distance
α: Angle between the direction of the force and the direction of the movement. (in this case, both of the direction are the same, so the angle is 0°)
By substituting:
Have a nice day!