1.A meter rule hangs motionless supported at the 30 cm mark. It has a 0.2 kg mass hanging from the 0 cm mark. What is the mass of the meter rule? ****IN KG****
2. A wheel is spinning freely on its axis with an angular velocity of 2 rad/s. It has a kinetic energy of 10 J. What will its kinetic energy be if the angular velocity is increased to 10 rad/s? Answer in J.
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