A car of mass 3 000 kg is moving with a velocity 20 m/s. It suddenly brakes
to stop in 5 s. Calculate the change
in momentum of the car. What is its
breaking force in the 5 second?

Numbers that us talk about the order of things

These are the questions and answers select the best translation for the following term or phrase. what did i do? ¿qué hice? select the best translation for the following term or phrase. i take one piece of wood. tomo un trozo de madera. fill in the blank according to the story. en la mesa hay varios trozos de madera

Write the indefinite article ( un, una, unos, unas ) for each word. if both masculine and feminine articles are possible, write both. 1. autobús 2. foto (fotografía) 3. turistas 4. números