A uniform beam of length L = 7.80 m and weight 4.05 102 N is carried by two workers, Sam and Joe, as shown in the figure below. Determine the force that each person exerts on the beam. (Sam is 1m from one end of beam and joe is 2m from the opposite end.)
how many moles of oxygen are present in 11.0 molecules of NaClO4? AND HOW DO I WORK IT OUT
3/4-1/2n=4/5 Please don't give me the answer, just show me the steps to solve it
perform the subtraction (8a+2b)/(8a^(2)+2ab-3b^(2))-(a+2b)/(16a^(2)-ab^(2))
A 39.2-kg boy, riding a 2.39-kg skateboard at a velocity of +4.97 m/s across a level sidewalk, jumps forward to leap over a wall. Just after leaving contact with the board, the boy's velocity relative to the sidewalk is 6.48 m/s, 9.54° above the horizontal. Ignore any ...
how do you lose weight
Yes, painting can be 12 to 14 inches . Lengths do not matter . Thank you
Want to hang a painting on a wall that is 17and 5/8 inches high and I want 2 inches left on top and bottom of painting showing. Where would I hang it at?
Say you have a question asking to rank the oxidizing strength of several different metals. When you look at the reduction table to determine the strength, there are metals with different oxidation states. For example: Fe3+ + 3e- => Fe ; Eo = -.04 Fe2+ + 2e- => Fe ; Eo = ...