A 1000 kg car experiences a net force of 9500 N while decelerating from 30.0 m/s to 23.4 m/s. How far does it travel while slowing down?
A) 21.9 m B) 20.2 m C) 18.5 m D) 17.4 m
C
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What determines the chemical and physical properties of hydrocarbons?
A) the way the atoms are connected together B) the number of carbon and hydrogens C) the elements it is composed of D) the number of oxygen E) both A and B
Exclusion Principle: If ? = 4, which one of the following is a possible quantum number for n?
A. 0 B. 2 C. 3 D. 4 E. 8
The eyepiece of a compound microscope has a focal length of 2.50 cm and the objective has a focal length of 1.60 cm
The two lenses are separated by 15.0 cm. The microscope is used by a person with normal eyes (near point at 25 cm). What is the angular magnification of the microscope? A) 78 x B) 94 x C) 195 x D) 234 x E) 125 x
Jupiter is a ball of gas
a. True b. False Indicate whether the statement is true or false