Question: A robot working at a factory has one task: to slow down 25kg boxes on a conveyor belt. Boxes slide towards it at a speed

  1. A robot working at a factory has one task: to slow down 25kg boxes on a conveyor belt. Boxes slide towards it at a speed of 10m/s [forward]. The robot must apply a force over 3 seconds to slow the box down to 2m/s [forward].
    1. What is the net force exerted by the robot?
    2. Would the robot need to use more or less force if it had 4 seconds to stop the box? Please explain your answer. ^^You can use either 2m/s or 0m/s as your final velocity
    3. How much work did the robot do? Please show your answer using two different methods.

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