Please anwser all the questions. The proper conversion from 9 ft/min2 to units of inches/s2 is 9 (60) (3600) b. 9 (12) /3600 c. 9 (3600) / 12 d. 9 (144) (3600) 2. The position of an object is given by . The position of the object (in meters) when the object has traveled its maximum positive distance from the origin is closest to 14 b. 8 c. 5 d. 4 3. Given A = i + 2j and B = 2 i - 3 j, the magnitude and direction of A + B (angle and quadrant) area b. c. d. 4. A ball is tossed into the air. As it returns to earth, its velocity and acceleration are respectivelypositive and positive b positive and negative c. zero and negative d. negative and negative 5. The initial velocity of an automobile is given by v = 20 i + 40 j (in m/s) and its acceleration by a = 16 j (in m/s2). Its x and y positions at time t are given by (assume it starts at x = 0, y = 0); b. c. ; ; 6. A ball rolls off an 80 m high flat (horizontal) roof with an initial speed of 50 m/s. At what horizontal distance does the ball strike the ground (in meters) as measured from the edge of the roof.1000 b. 200 c. 800 d. 800 7. An M1 = 10 kg block is connected to a second block of mass M2 = 20 kg by means of a cable. The system is pulled by a second cable with tension TC = 60 N. The tension T in the cable connecting the

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Please anwser all the questions.

The proper conversion from 9 ft/min² to units of inches/s² is

9 (60) (3600) b. 9 (12) /3600 c. 9 (3600) / 12 d. 9 (144) (3600)

2. The position of an object is given by . The position of the object (in meters) when the object has traveled its maximum positive distance from the origin is closest to
14 b. 8 c. 5 d. 4

3. Given A = i + 2j and B = 2 i - 3 j, the magnitude and direction of A + B (angle and quadrant) are

a b. c. d.

4. A ball is tossed into the air. As it returns to earth, its velocity and acceleration are respectively
positive and positive b positive and negative c. zero and negative d. negative and negative

5. The initial velocity of an automobile is given by v = 20 i + 40 j (in m/s) and its acceleration by a = 16 j (in m/s²). Its x and y positions at time t are given by (assume it starts at x = 0, y = 0)

; b.
c. ; ;

6. A ball rolls off an 80 m high flat (horizontal) roof with an initial speed of 50 m/s. At what horizontal distance does the ball strike the ground (in meters) as measured from the edge of the roof.

1000 b. 200 c. 800 d. 800

7. An M₁ = 10 kg block is connected to a second block of mass M₂ = 20 kg by means of a cable. The system is pulled by a second cable with tension T_C = 60 N. The tension T in the cable connecting the

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