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Spaceman Spiff's space box wights 60N. its engine exerts a +312N of force at lift-off. what is the acceleration when it lifts off

  • physics - ,

    Have you learned Newton's
    F = m a equation?

    It can be rewritten a = F/m

    F = force = 312 N
    m = 60N/g = 6.12 kg
    (Weight in N must be converted to mass in kg)

    a = 51 m/s^2

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