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
Question 2
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.