Find the magnitude of the force exerted on bolt e, given: p = 90 lbs, l1 = 0.3 in, l2 = 4.5 in, l3 = 1.3 in, l4 = 3 in, l5 = 1.6 in, l6 = 1.5 in, l7 = 0.9 in, l8 = 0.2 in

Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing