Normal force of the ground on the toddlers foot
If the toddler's mass is 12.6kg, and the toddler's ankle is 4.23cm from the point at which her feet makes contact wit the floor. What is the counter clockwise torque produced by the normal force of the ground on the toddler's foot.
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The average US home uses approximately 7650 kWh (kilowatt-hours) of energy in one year. What amount of NaCl would one need to power a household for one year if delta Hfusion for NaCl is 802.0 kJ/mol?
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You pull a 12-kg box across the floor with a strap that is at an angle of 45° above the horizontal. Find the normal force and the tension in the strap, given that the box moves with constant speed and that the coefficient of kinetic friction b
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A crate of mass M is released from rest at the top of a frictionless track (height = .4m). It slides down the track onto a horizontal section, then encounters a rough patch with coefficient of kinetic friction µ = .35 aa) How fast is the cra
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