A uniform 1.4 m, 18 kg beam hinged at point P on a wall is held horizontal by a vertical string that can withstand a maximum tension of 350 N. A 5.0 kg mass is suspended at the end of the beam. At what minimum distance d from the hinge, can the string be attached without breaking?

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?