Recent content by phy_

is b correct?

i am not sure other than i added 56 kg (i had made an error and written 5 earlier)

help with part c?? A worker of a moving company places a 252 kg trunk on a piece of carpeting and slides it across the floor at constant velocity by exerting a horizontal force of 425 N on the trunk. a) what is the coeffient of kinetic friction Fn = mg = 252 kg x 9.8 N/kg = 2469.6 N...

Thank-you. Question has been solved.

Thank-you so much.

Thank-you very much. Question solved.

show how log [(x-y)/3]=1/2(logx+logy) is equal to xsquared+ysquared=11xy does anyone know how to solve this. i have tried all kinds of ways though none of them seem to work. any help would be very much appreciated!

show how

show how

-10.5 = 3.8 cos [2pi/360(x-172)] this is the question and i am trying to solve for x though i don't know that i can break away the x from cos the way i did... is there another way?? i don't think the answer should be negative as the question is looking for a day of the year. so if i try to...

Thank-you very much. Question solved.

could you explain why you would subtract?

A spider builds its web in a window frame that is lying on the ground. It is supported by four main strands. Calculate the force of tension in strand 4 assuming the web is stable. The tensions in the other three strands are as follows: strand 1: 21 mN (20 degrees East of North) strand 2: 16 mN...

Thank-you so much!

could you please show how to substitute for this equation? for 1/2mv squared i do not know what to use for mass.