Estimate the speed of the Moon relative to the center of the Earth in m/s.
1.less than 0.003
2.between 0.003 and 0.03
3.between 0.03 and 0.3
4.between 0.3 and 3
5.between 3 and 30
6.between 30 and 300
7.between 300 and 3,000
8.between 3,000 and 30,000
9.more than 30,000
10.Impossible to determine
[Ques. 2] An object is at rest on the equator. Estimate its acceleration relative to the center of the Earth in m/s.
1.less than 0.001
2.between 0.001 and 0.01
3.between 0.01 and 0.1
4.between 0.1 and 1
5.between 1 and 10
6.between 10 and 100
7.between 100 and 1,000
8.between 1,000 and 10,000
9.more than 10,000
10.Impossible to determine
[Ques. 3] An object is at rest on the equator. Estimate its speed relative to the center of the Earth in m/s.
1.less than 0.001
2.between 0.001 and 0.01
3.between 0.01 and 0.1
4.between 0.1 and 1
5.between 1 and 10
6.between 10 and 100
7.between 100 and 1,000
8.between 1,000 and 10,000
9.more than 10,000
10.Impossible to determine
[Ques. 4] Estimate the acceleration of the Earth relative to the Sun in m/s.
1.less than 0.003
2.between 0.003 and 0.03
3.between 0.03 and 0.3
4.between 0.3 and 3
5.between 3 and 30
6.between 30 and 300
7.between 300 and 3,000
8.between 3,000 and 30,000
9.more than 30,000
10.Impossible to determine
[Ques. 5] Estimate the speed of the Earth relative to the Sun in m/s.
1.less than 0.003
2.between 0.003 and 0.03
3.between 0.03 and 0.3
4.between 0.3 and 3
5.between 3 and 30
6.between 30 and 300
7.between 300 and 3,000
8.between 3,000 and 30,000
9.more than 30,000
10.Impossible to determine
[Ques. 6] When a wheel is rolling without slipping, the magnitude of its velocity relative to the ground is greatest at
a.
the point in contact with the ground.
b.
the point at the center of the wheel.
c.
the point at the top of the wheel opposite to the point in contact with the ground.
d.
the point farthest forward from the center of mass of the wheel.
e.
the point farthest behind the center of mass of the wheel.
[Ques. 7] Exhibit 12-3
The graph below shows a plot of angular velocity in rad/s versus time in s from
t = 0 s to
t = 7 s.
Use this exhibit to answer the following question(s).
Refer to Exhibit 12-3. The angular position,
, at
t = 0 s is 3.0 rad, clockwise. The angular position,
, at
t = 7 s is
a.
27 rad, CW.
b.
27 rad, CCW.
c.
33 rad, CW.
d.
33 rad, CCW.
e.
36 rad, CCW.
[Ques. 8] Exhibit 12-3
The graph below shows a plot of angular velocity in rad/s versus time in s from
t = 0 s to
t = 7 s.
Use this exhibit to answer the following question(s).
Refer to Exhibit 12-3. The change in angular position,
, during the 7-second period is
a.
21 rad, CW.
b.
21 rad, CCW.
c.
30 rad, CW.
d.
30 rad, CCW.
e.
39 rad, CCW.
[Ques. 9] A small sphere attached to a light rigid rod rotates about an axis perpendicular to and fixed to the other end of the rod. Relative to the positive direction of the axis of rotation, the angular positions of the sphere are negative, its angular velocity is negative, and its angular acceleration is negative. The sphere is
a.
rotating clockwise and slowing down.
b.
rotating counterclockwise and slowing down.
c.
rotating clockwise and speeding up.
d.
rotating counterclockwise and speeding up.
e.
first rotating counterclockwise and then clockwise.
[Ques. 10] A small sphere attached to a light rigid rod rotates about an axis perpendicular to and fixed to the other end of the rod. Relative to the positive direction of the axis of rotation, the angular positions of the sphere are negative, its angular velocity is negative, and its angular acceleration is positive. The sphere is
a.
rotating clockwise and slowing down.
b.
rotating counterclockwise and slowing down.
c.
rotating clockwise and speeding up.
d.
rotating counterclockwise and speeding up.
e.
first rotating counterclockwise and then clockwise.
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