Un camion sin control con falla en sus frenos baja por una pendiente a 130 km/h, justo antes que el conductor dirija al vehıculo hacia arriba en una rampa de escape de emergencia, sin friccion y con una inclinacion de θ = 15o. La masa del camion es 1.2×104 kg. (a) ¿Qu´e longitud L mınima debe tener la rampa si el camion debe detenerse (momen´aneamente) a lo largo de ella?

To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c