¿A qué rango de distancias debe estar un jugador de fútbol, si quiere hacer gol. La cancha tiene una altura de 2.3m. La velocidad con que pateaes de 50m/s y con un ángulo aproximado de 43º. (asumir condiciones ideales).

Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz

What are the applications of electromagnetic waves

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.