A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower end
It starts out vertically from rest and falls, pivoting about the hinge. Just as it has rotated through an angle of 55.0°, what is the downward acceleration of the end farthest from the hinge?
A) 5.02 m/s2
B) 8.03 m/s2
C) 9.80 m/s2
D) 12.0 m/s2
E) 19.6 m/s2
D
You might also like to view...
A 0.50-kg toy is attached to the end of a 1.0-m very light string. The toy is whirled in a horizontal circular path on a frictionless tabletop
If the maximum tension force that the string can exert on an object without breaking is 350 N, what is the maximum speed the toy can have without breaking the string? A) 700 m/s B) 26 m/s C) 19 m/s D) 13 m/s
An astronomical telescope has an objective lens with focal length fo and has an eyepiece with focal length fe. A second telescope has objective and eyepiece lenses with half the focal length of the first telescope. Which telescope gives the greater magnification and by what factor?
a. The second telescope gives 4 times the magnification of the first. b. The first telescope gives 4 times the magnification of the second. c. The actual focal lengths must be known to answer this question. d. Both telescopes give the same magnification.
Strangeness is conserved observed in strong and electromagnetic interactions, but not in weak interactions
Indicate whether the statement is true or false
As a river overflows its channel, sediment is deposited along the channel banks. What type of sediment is deposited first? What type is deposited last?
What will be an ideal response?