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A persuasive speech
Imagine if you will its 10 below zero outside the snow is blowing one drift into the next, the night sky has
turned to white, you cannot see 5 feet ahead of you. You seek shelter, you

CCN1049 Physics I
T2. Vectors (Ch. 3) & Motion in Two and Three Dimensions (Ch. 4)
Problems
3.3 The x component of vector is 25.0 m and the y component is +40.0 m. (a) What is the
magnitude of ? (b) What is the angle between the direction of and the posit

CCN1049 Physics I
T4. Kinetic Energy and Work (Ch. 7) & Potential Energy and Conservation of Energy
(Ch. 8)
Problems
7.1 A proton (mass m = 1.67 1027 kg) is being accelerated along a straight line at 3.6 1015 m/s2
in a machine. If the proton has an initia

CCN1049 Physics I
T1. Motion along a Straight Line (Ch. 2)
Problems
2.4 A car travels up a hill at a constant speed of 35 km/h and returns down the hill at a constant
speed of 60 km/h. Calculate the average speed for the round trip. [44 km/h]
2.15 (a) If

CCN1049 Physics I
T3. Force and Motion (Ch. 5 & 6)
Problems
5.7 There are two forces on the 2.00 kg box in the overhead view of Fig. 5-31, but only one is shown.
For F1 = 20.0 N, a = 12.0 m/s2, and = 30.0, find the second force (a) in unit-vector notation