A car is going around a banked curve at a high rate of speed. For the car not to skid, in which direction does the frictional force act?
A. Up the plane.
B. Down the plane.
C. Directly towards the center of the curve.
B. Down the plane.
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Of the following systems, which contains the most heat?
a. 100 kg of water at 80°C b. 250 kg of water at 40°C c. 600 kg of ice at 0°C d. Systems do not contain heat.
Meters: A galvanometer that gives a full-scale deflection when 150 µA runs through it is used to make an ammeter that reads a maximum of 1.00 A. To do this, a 3.3-m? shunt was required. What is the resistance of just the galvanometer?
Fill in the blank(s) with the appropriate word(s).
Standing at the shore of a still lake, the reflected view of scenery on the other side of the lake is the view you would see if you were upside down with your eye in the line of sight
A) where it already is. B) at the surface of the water where the light reflects. C) directly beneath you, as far below water level as you are above. D) close to the distant shore. E) none of the above
The pressure on your left palm is ____________ the pressure on your right palm
a. 1/4 b. 1/2 c. equal to d. 2 times e. 4 times