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draws 450 mA when turned? on. a)calculate the resistance of the bulb and the power dissipated. b)by what factor would the power increase if four D-cells in series were used with the same bulb? (neglect heating effects of the filament) why shouldn't you try this?

a) what is the current in the element when it is connected to 240 V? b) how much charge passes through the element in 50 mins?

...braking distance be increased,? assuming all else is the same? Ignore the driver’s reaction time.

i need to make flash cards for these equations... Ffs= (mu)sFn ; static Ffk= (mu)kFn ; kinetic w= mg Newtons 1st law. Newtons 3rd law. and on these flash cards i have to write all different forms of the equation, symbols(what they stand for), si units, definition, and a short word problem that...

4580 m horizontally from the camp? in a direction 32.4 degrees west of north. what are the compenents of the displacement vector from camp to summit? what is its magnitude? choose the x axis east, y axis north, and z axis up. How is the work done?

4580 m horizontally from the camp? in a direction 32.4 degrees west of north. what are the compenents of the displacement vector from camp to summit? what is its magnitude? choose the x axis east, y axis north, and z axis up. How is the work done?