4. Joe wishes to hang a sign weighing 7.5 x 10^2 N so that cable A, attached to the store makes a 30 degree angle as shown in the figure
below. Cable B is horizontal and attached to an adjoining building. a)
Draw a free-body diagram showing the forces and tension in the cables
b) Determine the tension in Cable B. *

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

An element becomes a positively charged ion when itloses protons. loses electrons. gains electrons. gains neutrons.

What was the purpose of the apollo program? to put a man in orbit to launch a spy satellite to launch a space station to put man on the moon