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Home Q & A Board Science-Related Homework Help Physics
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zzbsma zzbsma
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A year ago
An object with a mass of 0.75 kg is projected over a horizontal surface with a speed of 2.5 m/s. It then comes to rest after 3.0 s.

(d) What is the value of kinetic friction?
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A year ago
The value of kinetic friction can be calculated using the equation F = ma, where F is the force of friction, m is the mass of the object, and a is the acceleration. In this case, the acceleration is the change in velocity (2.5 m/s) divided by the time (3.0 s), which is 0.83 m/s2. Therefore, the force of friction is 0.75 kg x 0.83 m/s2 = 0.62 N.
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