Un cañón dispara una bala horizontalmente a una velocidad de 25 m/s, y esta experimenta un movimiento

parabólico de caída libre. Sabiendo que la bala impacta en

el piso luego de 8 segundos. Calcule la altura a la que se

encuentra el cañón con respecto al piso​

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel