What was the change in velocity of the scooter

Reference no: EM1362415

Q. A uniform bar,15 m long is balanced on a point placed at it's mid-point.a body of mass 55kg sits on one arm of the bar at a point 5 m away from the pivot.what mass can be placed 2 cm away from the other end of the bar to keep the bar horizontal?

Q. A motor scooter travels east at a speed of 13 m/s. The driver then reverses direction and heads west at 17 m/s. What was the change in velocity of the scooter?

Reference no: EM1362415

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