A block is released from rest on a frictionless incline as shown. When the moving block is in contact with the spring and compressing it, what is happening to the gravitational potential energy Ugrav and the elastic potential energy Uel? A. Ugrav and Uel are both increasing. B. Ugrav and Uel are both decreasing. C. Ugrav is increasing; Uel is decreasing. D. Ugrav is decreasing; Uel is increasing.

A lightweight crate (A) and a heavy crate (B) are side-by-side on a frictionless horizontal surface. You are applying a horizontal force F to crate A. Which of the following forces should be included in a free-body diagram for crate B? A. the weight of crate B B. the force of crate B on crate A C. the force F that you exert D. the acceleration of crate B

The two ramps shown are both frictionless. The heights y1 and y2 are the same for each ramp. A block of mass m is released from rest at the left-hand end of each ramp. Which block arrives at the right-hand end with the greater speed? A. The block on the curved track arrives with greater speed. B. The block on the straight track arrives with greater speed. C. Both blocks arrive at the right-hand end with the same speed. D. The answer depends on the shape of the curved track.

Consider the following quadratic equation:              Solve the quadratic equation by factoring.   You don’t need to write your answer in the blank. I will grade your written work. Just write “DONE”.      

A toboggan of weight w (including the passengers) slides down a hill of angleat a constant speed. Which statement about the normal force on the toboggan (magnitude n) is correct? A. n = w B. n > w C. n < w D. Two of the choices, depending on the speed.

The nurse is caring for a hospitalized client with wrist restraints.  The client asks the nurse, “Why are these necessary?”  Which of the following statements would be the nurse’s best response?

1. Zuhören (‘Listening’) Listen to the pronunciations of the following German words/phrases. After that (i) write down these German words/phrases (in German), and (ii) provide a translation of them into English. You Hear: Your Write: You Translate: Example: Guten Morgen. Good morning. a. [1aderHerbst] [1bfall] b. [2aEsistwolkig] [2bItscloudy] c. [3aderHagel] [3bhail] d. [4adieJahreszeit] [4bseason] e. [5aderRegenschirm] [5bumbrella] f. [6aderBlitz] [6blightning] g. [7aderNebel] [7bfogmist]  

Find the Greatest Common Factor of the following terms:     You don’t need to write your answer in the blank. I will grade your written work. Just write “DONE”.

3. Zu-Infinitives (II) Add the second sentence in each sentence pair as an adverbial zu-infinitive to the first sentence, using the provided connectors/prepositions. Note: This is an essay-style question, which means that you need to enter your answers in the text box below. Beispiele Felix lernt. Er bekommt eine gute Note.   Felix lernt, um eine gute Note zu bekommen. Nina liest ein Buch. Sie trägt ihre Brille nicht.   Nina liest ein Buch, ohne ihre Brille zu tragen. a. Wir gehen in die Stadt. Wir gehen einkaufen. Wir gehen in die Stadt, um      . b. Wir gehen in die Stadt. Wir gehen nicht einkaufen. Wir gehen in die Stadt, ohne      . c. Wir gehen in die Stadt. Wir bleiben nicht zu Hause. Wir gehen in die Stadt, statt      .

2. Zu-Infinitives (I) Add the infinitive phrases in parentheses to the main clauses. If necessary, insert the infinitive marker zu in the correct position. Note: This is an essay-style question, which means that you need to enter your answers in the text box below. You must provide complete answer sentences, not just individual words or phrases.  a. Ich finde es langweilig (ständig zu Hause bleiben müssen) . b. Wir müssen (heute Nachmittag die Fenster putzen) . c. Hast du Lust (mich in Hannover besuchen) ? d. Es ist schön (nachts spazieren gehen) . e. Olaf hat vergessen (Martin und Andrea einladen) .