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.
c
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The planet whose axis of rotation lies almost in its orbital plane is
a. Neptune. b. Uranus. c. Saturn. d. Jupiter.
An AC generator with peak voltage 100 volts is placed across a 10-? resistor. What is the average power dissipated?
A. 100 W B. 150 W C. 500 W D. 1000 W E. 2000 W
At its most fundamental level, the goal of astrobiology is to
A) discover the connection between life and the places it is found B) find how life on Earth originated C) find life beyond the Earth D) understand the biological makeup of other life forms
One mole of an ideal gas is held at a constant volume of 1 liter. Find the change in pressure if the temperature increases by 50°C
a. 3 atm b. 4 atm c. 2 atm d. 1 atm e. 5 atm