Starting with the equation for newtons second law of motion:
Answer:
(a) The angular displacement of the toy is 18.85 rad.
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(b) The toy's angular velocity is 6.284 rad/min.
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(c) if the counterclockwise rotation is in negative direction, the angular acceleration will be positive when the toy is turned off and vice versa.
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Answer:
Duration
Explanation:
Because duration is not a factor, but it's the outcome or effect or observation from the reaction used to give the rate of reaction
Answer:
125 Joules
Explanation:
In an elastic motion, the net kinetic energy of the system is conserved i.e the total kinetic energy of the system after the collision is equal to the total kinetic energy of the system before collision;
Kinetic Energy = 1/2 m*v^2
Total Kinetic energy = Kinetic Energy(Cart 1) + Kinetic energy(Cart 2);
Total K.E = 0.5*(10)*(5)^2 + 0 = 125 Joules;
Energy after collision = Energy before collision = 125 joules