1.

A point has equal velocities in two given directions. If one of these velocities is halved, then the angle which the resul†an t makes with the other is also halved. The angle between the velicities is

Answer» A point has equal velocities in two given directions. If one of these velocities is halved, then the angle which the resul†an t makes with the other is also halved. The angle between the velicities is


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