Determine the cost of running the flood-lights
Five flood-lights of 250 watt operate at night for 8 hours. When the cost of electricity if $0.08 per kWh, determine the cost of running the flood-lights for 14 nights?
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The magnetic field of 1.2 T is present at an angle of 30 degree to the horizontal direction (or positive x axis). Determine the magnitude of the force experienced through the proton? (qp = 1.6 x 10^-19 C)
A proton is positioned on the Earth's magnetic equator at 1000 m altitude. In which direction will it be deflected if it is projected downward? Describe in depth please.
A spool of thread consists of an average radius of 1.00cm. When the spool comprises 62.8 m of thread, determine the number of turns of thread on the spool?
The magnitude of torque on a square loop of area A having current I in a constant magnetic field of magnitude B if the magnetic field is parallel to the plane of the loop is?
The electron of charge q = -1.60 x 10^-19C is moving with a speed of 3.00 x 10^3 m/s perpendicular to the steady magnetic field of strength 0.200 T. When it is moving in a circle and travels 400 m, determine how much work in J was completed by the
An electric heater is made by applying a potential difference of 110 V across a wire having a resistance of 5.0Ω. Determine the power rating of the heater in kW?
The rotational inertia of the collapsing spinning star changes to 1/4 its initial value. Determine the ratio of the new rotational kinetic energy to the initial rotational kinetic energy?
Pinky consists of a mass of 3.54 kg sits on a pump handle at a distance of 35.57 cm from the axis of rotation. By using this information, determine the torque of Pinky when the handle is 66.8° from the horizontal?
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