Which of the following is not an example of an extensive physical property? size shape color volume

A small car with a mass of 800. kg is moving with a velocity of 27.8 m/s. What is the momentum of the car? What velocity is needed for a 2400. kg car in order to have the same momentum?

What are two different ways to understand time? Explain and give example?

A rock is projected upward from the surface of the moon, at time t = 0.0 s, with a velocity of The acceleration due to gravity at the surface of the moon is When does the rock reach a height of 180 m above the moon's surface? 17 s 12 s 30 s 23 s 7.

A small glass bead has been charged to 7.6 nC. What is the magnitude of the electric field 2.0 cm from the center of the bead? (k = 1/4πε 0 = 8.99 * 109 N · m2/C2)

A baseball pitcher throws a fastball to a batter: Potential energy increases, kinetic energy decreases. Kinetic energy increases, potential energy decrease

M = 10 Kg r = 0,5 m v=2m/s

Dos pelotas de tenis se lanzan verticalmente, hacia arriba y desde el mismo punto, con 2 s de diferencia. La velocidad inicial de la primera es de 20 m/s, y la de la segunda, de 30 m/s.

How much work is done when a 48-kg stack of books are lifted 2m with a net force of 25 N? A. 12.4 J B. 100 J C. 50 J D. 96 J ... ?

What is internal energy?

If objects A and B are separately in thermal equilibrium with a third object C, then A and B are in thermal equilibrium with each other. This law is called a. First law of thermodynamics b. Zeroth law of thermodynamic c. Second law of thermodynamics