Two identical weights of mass M are linked by a thread wrapped around a frictionless pulley with a fixed axis. A small weight of mass m is placed on one of the weights. What is reaction force between m and M?
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A car travels 60 km in 1hr 30min.how long will it take to cover a distance of 100km at the same speed?
the area of a triangled triangle is 40 times its base.what is its height?
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