Un vehículo pequeño entra a un camino circular en el punto A con una velocidad v0 y gana rapidez conforme baja por. Determine una expresión para el ángulo en el cual el
vehículo deja el camino y se convierte en un proyectil. Evalúe su expresión para v0 = 0.
Desprecie la fricción entre el vehículo y la superficie.

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?

Which composition of water moves to begin a deepwater current?