A ball on a porch rolls 60cm to the porchs edge drops 40cm, Ask an Expert

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Q1. A ball on a porch rolls 60cm to the porch's edge, drops 40cm, continues rolling on the grass, and eventually stops 80cm from the porch's edge. What is the magnitude of ball's total displacement, in centimeters?

Q2. Travelling at a constant speed of 10 m/s whereas direction of the Jeep changes from east to south. An 1800 kg Jeep travels along a straight 500 m portion of highway (from A to B) at a constant speed of 10m/s. At B, the Jeep encounters an unbanked curve of radius 50m. The Jeep follows the road from B to h. What is the magnitude of the acceleration of Jeep as it travels from A to B?

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