A block of mass m1 = 4.20 kg on a frictionless inclined plane of angle 30.0° is connected by a cord over a massless, frictionless pulley to a second block of mass m2 = 2.40 kg hanging vertically. (a) What is the magnitude of the acceleration of each block? m/s2 m1 = m2 = m/s2 (b) What is the direction of the acceleration of m2? O m2 accelerates downwards O not enough information O m2 accelerates upwards (c) What is the magnitude of the tension in the cord?

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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.