How much heat is required to raise the temperature of a 225-g lead ball from 15.0°C to 25.0°C? The specific heat of lead is 128 J/(kg•K)
A) 725 J
B) 576 J
C) 145 J
D) 217 J
E) 288 J
E
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Newton's Second Law in 1 Dimension: On its own, a tow truck has a maximum acceleration of 3.0 m/s2. What will be its maximum acceleration when the truck is using a light horizontal chain to tow a bus of twice its own mass?
A. 2.5 m/s2 B. 2.0 m/s2 C. 1.5 m/s2 D. 1.0 m/s2
A 15.0 kg block of ice at 0.00°C falls into Lake Superior, which is a fresh water lake. The lake water is at 10.0°C, and the latent heat of fusion for ice is 3.34 × 105 J/kg
Find the change in entropy due to the melting of the ice (a) of the block of ice, (b) of the lake, and (c) of the system consisting of the lake and the ice. (d) Is your answer to part (c) consistent with the reversibility or irreversibility of the melting process?
If three 3.0-µF capacitors are connected in parallel, what is the combined capacitance?
a. 0.46 mF c. 9.0 mF b. 1.0 mF d. 0.75 mF
According to the ______ theory social interaction extends life long selection processes. Physical and psychological aspects of aging leads to changes in the functions of social interaction.
Fill in the blank(s) with the appropriate word(s).