A. Elección Múltiple: Venezuela y Colombia.  ¿Qué recuerdas de los dos países suramericanos? Select the  best option to answer the questions below.  If the correct answer is not included, select ninguna de las anteriores.  (1 pt. each; 8  pts. total)   ¿Cuál es la piedra preciosa que se encontraba en abundancia en Colombia?  Ahora hay un museo dedicado a la piedra y una enorme que cuesta $2 millones de dólares. [1] ¿Cuál es la industria más importante para la economía de Venezuela que se centra en los pozos (wells) en el lago Maracaibo? [2] ¿Cómo se llama la “montaña del diablo” que se encuentra en Venezuela? [3] ¿Cómo se llama la ciudad en la costa de Colombia que era el puerto más importante de todo el imperio español durante la época colonial? [4] El parque nacional que se llama [5] en la frontera de Venezuela, Brasil y Guyana es famoso por los tepuyes…montañas con cimas planas y paredes verticales.    ¿Cuál es la capital de Colombia? [6] ¿Cuál es la capital de Venezuela [7] ¿Cierto o falso?  Colombia sólo tiene una costa en el mar Caribe.  No hay mucha elevación en el país tampoco.  [8]

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   If an object’s velocity-versus-time graph is a horizontal line, what can you say about the object’s acceleration?    

For the above question, list the numbers and associate them with proper symbols.  Please include unit next to your number.   Symbols Number [sym1] [num1] [sym2] [num2] [sym3] [num3] [sym4] [num4]  

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   A child drops a ball from the 2nd floor window.  Ignore air resistance, On the way down, the ball has    

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   A roller coaster cart travels in bowl shaped track.  At the end of the track, which direction will the cart travel?

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   A block is place on a plastic spinning Lazy Susan.  If the surface of the the Lazy Susan failed to grab the block, which direction will the block move?

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   A car accelerated from rest to 60 km/h in 10 s.  In this situation, what does 60 km/h represent?  

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   Perform the following operation (Write down the numbers on your calculator and round off according to significant figures rules.)   [x] mL – [y] mL – [z] mL

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   The largest salami in the world, made in Norway.  Johnny made one that had a radius of  [x] m.   A hungry mouse ran around the salami’s circumference with a tangential speed of [y] m/s.  Calculate the centripetal acceleration in m/s2 of the mouse.

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   Jack pushes a shopping cart in a straight line at a constant speed of 1 m/s.