A 2.0 kg, 20-cm-diameter turntable rotates at 100 rpm onfrictionless bearings. Two 500 g blocks fall from above, hitthe turntable simultaneously at opposite ends of a diagonal, andstickWhat is the turntable's angular velocity, inrpm, just after this event?

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton

What practical value did astronomy offer to ancient civilizations?