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# CONCEPT DEVELOPMENT PRACTICE 2 ANSWERS

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Concept-Development 2-1 Practice Page
Circle the correct answers. 5. We see that tension in a rope is (dependent on) (independent of) the length of the rope. So the length of a vector representing rope tension is (dependent on) (independent of) the length of the rope. Concept-Development 2-2 Practice Page[PDF]
Concept-Development 2-1 Practice Page
To better understand this, ﬁ nd the answers to the following questions: 1. If you step off a table and it takes one-half second to reach the ﬂ oor, what will be the speed when you meet the ﬂ oor? 2. What will be your average speed of fall? 3. What will be the distance of fall? 4. So how high is the surface of the table above the ﬂ oor?[PDF]
Concept-Development 2-2 Practice Page
Circle the correct answers. 5. We see that tension in a rope is (dependent on) (independent of) the length of the rope. So the length of a vector representing rope tension is (dependent on) (independent of) the length of the rope. Concept-Development 2-2 Practice Page[PDF]
Concept-Development 6-2 Practice Page
Circle the correct answers. a. The mass of the (A + B) as a fraction of g. Concept-Development 6-2 Practice Page. 28 Chapter 6 Newton’s Second Law of Motion—Force and A is still a 1-kg block, but B is a low-mass feather (or a coin). a. Compared to the acceleration of the system in 2, previous page, the acceleration of (A + B) here[PDF]
Concept-Development 7-2 Practice Page
h. Suppose Nellie now pushes upward on the apple with a force of 2 N. The apple (is still in equilibrium) (accelerates upward), and compared to W, the magnitude of n is (the same) (twice) (not the same, and not twice). i. Once the apple leaves Nellie’s hand, n is (zero) (still twice the magnitude of W), and the net[PDF]
Concept-Development 5-2 Practice Page
Concept-Development 5-2 Practice Page. 10 m/s 5 m/s 5 m/s 20 m/s 11.2 m/s 20.6 m/s 30.4 m/s CONCEPTUAL PHYSICS 22 Chapter 5 Projectile Motion Air resistance is negligible, and g = 10 m/s2. Fill in the boxes, writing in the values of velocity components [PDF]
Concept-Development 13-2 Practice Page
2. If we stand on a weighing scale and ﬁ nd that we are pulled toward Earth with a force of 500 N, then we weigh N. Strictly speaking, we weigh N relative to Earth. How much does Earth weigh? If we tip the scale upside down and repeat the weighing process, we can say that we[PDF]
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Concept-Development Practice Page Free Fall Speed I. Aunt Minnie gives you \$10 per second for 4 seconds. How much money do you have after 4 seconds? 2. A ball dropped from rest picks up speed at 10 m/s per second. After it falls for 4 seconds, how fast is it going? 3. You have \$20, and Uncle Harry gives you SIO each second for 3 seconds.[PDF]
Concept-Development 25-2 Practice Page - wscacademy
Circle the correct answers. 1. I nspect sketches (b) and (d). Has the aircraft traveled twice as far as sound in the same time in these postions also? (Yes) (No) 2. For greater speeds, the angle of the shock wave would be (wider) (the same) (narrower). Concept-Development 25-2 Practice Page[PDF]
Concept-Development 9-1 Practice Page
conservation gives you the answers to Cases 2 and 3.] Case 1: Speed = m/s Case 2: Speed = m/s Case 3: Speed = m/s. Ball A gets to the bottom ﬁ rst due to a greater Concept-Development 9-2 Practice Page. 50 N During each bounce, some of the ball’s mechanical
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