Two charges attract each other with a force of 9 X 10^-5 N. If the distance between the charges is tripled the force will become O 3.6 X 10^-5N
O 26 X 10^-5N
O 1 X 10^-5N
O 44 X 10^-5N

A-of 75 cm by cm by 17.5 cm up. of is 2 kg a , in ,if it is in , kg/?

If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?

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?