The force needed to make an object move in a circle is
a. centripetal force
b. weight
c. kinetic friction
d. static friction
e. none of the above
A
You might also like to view...
Specific Heat: In a flask, 114.0 g of water is heated using 67.0 W of power, with perfect efficiency. How long will it take to raise the temperature of the water from 15°C to 25°C? The specific heat of water is 4186 J/kg ? K.
A. 71 s B. 4.1 s C. 17 s D. 320,000 s
At the lower left of the Hertzprung—Russell diagram we find
A) supergiant stars B) red giant stars C) white dwarfs D) main sequence stars
Which of the following quantities is directly proportional to the time interval after a projectile has left the barrel that shot it out? The x axis is horizontal; the y axis is vertically upward.
A.
B.
C.
D.
E.
What are the minimum and maximum values for right ascension in the sky?
What will be an ideal response?