Cuando un tubo metálico con una longitud de 50 m se calienta desde 10°C a 40°C, se alarga por 2.85 cm. Calcular: a) El coeficiente de dilatación lineal, y b) ¿De qué tipo de metal estáhecho el tubo?

Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?