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
Question 2
The transverse nature of electromagnetic waves is apparent because
A) they are electric in nature.
B) they are magnetic in nature.
C) they can be polarized.
D) they are electromagnetic in nature.
E) None of the previous answers is correct.
Height and weight table
Long-Term Potentiation
Beaker with ibex, dogs, and long-necked birds, from southwest Iran.
Hormones acting through the brain help regulate metabolism and short- and long-term appetite.
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
A thin cleft, called the synapse, separates one cell from another.