The real image of an object is located 35.0 cm away from a concave mirror, which has a focal length of 10.0 cm. How far is the object from the mirror?
a. 40.0 cm
c. 14.0 cm
b. 35.0 cm
d. 12.9 cm
C
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Silver contains 
conduction electrons per m3. How many conduction electrons are in a 1.0 m length of silver wire of diameter 2.6 mm?
a. 
b. 
c. 
d. 
e. 
A. +x direction B. -x direction C. +y direction D. -y direction E. +z direction F. -z direction T. The field is zero.
A car passes a dip in the road, going first down, then up. At the very bottom of the dip, when the car’s instantaneous velocity is passing through horizontal, how does the magnitude of the normal force on the car compare to the magnitude of the car’s weight?
A. 
B. 
C. 
D. 
E. We do not have enough information to answer.
To determine the distance to a Cepheid, we must measure its ________ of pulsation
Fill in the blank(s) with correct word