A cart m1 with mass of 500 g rests on an inclined plane that makes an angle θ = 15° with the  horizontal. It is connected to a mass m2 with mass of 200g suspended vertically off the end of a  pulley as shown in the figure below. If the lead weight falls 85 cm, determine: (sin 15°≈ 0.259 ; cos 15°≈ 0.966) The acceleration of the system

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.