A Laser cutting machine is costed on a machine hour rate basis. On the basis of the given information determine the cost for running the machine for 45 hours to complete a specific customer order. Select your answer (to the nearest £1) from A to E below. 45 hours Time used (for this specific order) £2-00 per hour Power cost of machine £350,000 per year Depreciation and annual running costs (including labour) The expected running time of the machine is 235 days per year with two 7.5 hour shifts each day.

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Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.