In a relay race, runner A is carrying the baton and has a speed of 3.4 m/s. When he is 25 m behind the starting line, runner B starts from rest and accelerates at 0.140 m/s2. How fast is B traveling when A overtakes her?
A)
0.10 m/s
B)
0.33 m/s
C)
1.3 m/s
D)
2.0 m/s
E)
A never catches up.
C
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Molar Specific Heats: For an ideal gas,
A. 
= 1 for all ideal gases.
B. 
< 1 for all monatomic and diatomic gases.
C. 
> 1 for all monatomic and diatomic gases.
D. 
< 1 only for a monatomic gas.
E. 
< 1 only for a diatomic gas.
A sphere of radius 10.0 cm floats in equilibrium partially submerged in water with its lowest point 5.00 cm below the water's surface
(a) What is the buoyant force acting on the sphere? (b) What is the weight of the sphere?
A carbon resistor has a resistance of 18 ? at a temperature of 20°C. What is its resistance at a temperature of 120°C? (The temperature coefficient of resistivity for carbon is -5.0 × 10-4 /C°.)
A) 18 ? B) 17 ? C) 16 ? D) 15 ? E) 14 ?
If an R = 1.0-k? resistor, a C = 1.0-?F capacitor, and an L = 0.20-H inductor are connected in series with a V = 150 sin (377t) volts source, what is the maximum current delivered by the source?
a. 0.007 0 A b. 27 mA c. 54 mA d. 0.31 A e. 0.34 A