Ayuda me urgue por favor ¿Qué presión ejerce sobre el suelo un vehículo de 2Ton, sabiendo que cada una de sus cuatro ruedas se apoya sobre una superficie de 60cm^2?​

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.

What object a collides with object b and bounces back its final momentum is?

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90