Homework Clinic
Science Clinic => Physics => Topic started by: faduma on Jul 29, 2018
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When uranium fissions, the fission fragments are
A)
each about half the mass of the uranium nucleus.
B)
about 2/5 and 3/5 the mass of the uranium nucleus.
C)
about 1/3 and 2/3 the mass of the uranium nucleus.
D)
about 1/4 and 3/4 the mass of the uranium nucleus.
E)
about 1/5 and 4/5 the mass of the uranium nucleus.
Question 2
An airplane flies 120 km at a constant altitude in a direction 30.0 north of east. A wind is blowing that results in a net horizontal force on the plane due to the air of 2.40 kN in a direction 10.0 south of west.
How much work is done by the air on the plane? A)
-2.70 108 J
B)
-0.985 108 J
C)
-221 108 J
D)
221 108 J
E)
0.821 108 J
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Answer to Question 1
B
Answer to Question 2
A
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Thank you!
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Always glad to help...