A student is pushing a box across the room. To push the box three times farther, the student needs to do how much work?
1 answer:
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Answer:
Explanation:
From the question we are told that:
Radius r=13
Coefficient of static friction \mu=0.67
Given the Centripetal concept
Generally the equation for Velocity v is mathematically given by
The value of the minimum speed (in m/s) for the cyclist to perform the stunt is Given as
Answer:
W = -2080 J
Explanation:
initial position vector of the object is given as
similarly final position vector is given as
now the displacement of the object is given as
now we will have
now the force on the object is given as
so here in order to find the work done