La velocidad de un vehículo aumenta uniformemente desde 15 km/h hasta 60 km/h en 20 seg. calcular:
a) la velocidad media en km/h y m/s
b) la aceleración
c) la distancia, en metros, recorrida durante este tiempo.

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?

Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory