An airplane of mass 1.2 × 10^4 kg tows a glider of mass 0.6 × 10^4 kg. The airplane propellers provide a net forward thrust of 5.4 × 10^4 N. What is the glider's acceleration?
a. 2.0 m/s2
c. 6.0 m/s2
b. 3.0 m/s2
d. 9.8 m/s2
B
Physics & Space Science
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The change in shape due to transport of atoms along grain boundaries is called _________creep.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
An electronic component with a 17-? resistor is rated for use at power levels not exceeding What is the safe current through the component?
A) 0.91 A B) 1.21 A C) 238 A D) 0.22 A
Physics & Space Science
How much current is flowing in one of the 10-? resistors?
a.
0.80 A
b.
2.0 A
c.
1.6 A
d.
2.4 A
Physics & Space Science
Current in a conductor can be increased by
A) increasing the voltage across it. B) reducing its resistance. C) both of these D) neither of these
Physics & Space Science