A mouse is running away from a cat at 0.75 m/s and, at 1.25 m from his mouse hole, he accelerates at a constant rate until he reaches his hole safely, 0.75 s later. What acceleration did he undergo during the final 1.25 m of his escape?
A. 1.8 
B. 1.2
C. 4.8
D. 2.4
E. 6.4
D. 2.4
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A radar pulse returns 5.0 × 10^?4 seconds after it is sent out, having been reflected by an object. What is the distance between the radar antenna and the object? (c = 3.00 × 10^8 m/s)
a. 1.5E+5 m b. 2.4E+5 m c. 7.5E+4 m d. 2.5E+4 m e. 4.3E+4 m
Imagine you throw a tennis ball vertically into the air. At the exact top of its trajectory it is at rest. What is the magnitude of its acceleration at this point?
A. 9.8 m/s2
B. –9.8 m/s2
C. 0 < 
< 9.8 m/s2
D. 0
E. Other (specify)
What is the efficiency of an ideal Carnot engine operating between a reservoir in which ice and water coexist, and a reservoir in which water and steam coexist? The pressure is constant at 1.0 atm for both reservoirs
A) 27% B) 0.27% C) 100% D) 1.0% E) 15%
Mountains characterized by folded rock strata are known as ______________ mountains
Fill in the blank(s) with correct word