Una pelota de 30 CM de diámetro s sumerge totalmente en una alberca, si la pelota tiene una masa de 380 g el Pe de agua es de 9800 N/m3 calcular: a) ¿Que magnitud de empuje recibe?
b) ¿Cuál será la magnitud del peso aparente de la pelota?

What is the type of the reaction below? bacl2 + h2so4 → 2 hci + baso4 double replacement synthesis single replacement decomposition

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.