Which of the following formed elements has a nucleus?
a) Platelet
b) Red blood cell
c) White blood cell
d) A and B
e) All of the above
Ans: c) White blood cell
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A 2.25-kg object is attached to a horizontal an ideal massless spring on a frictionless table
What should be the spring constant of this spring so that the maximum acceleration of the object will be g when it oscillates with amplitude of 4.50 cm?
How many electrons does it take to fill the d subshell?
A) 10 B) 6 C) 14 D) 2 E) 4 F) 8
Hooke's law relates
A. The spring force to the force used to compress the spring B. Change of the length of the spring to gravity C. Change of the length of the spring to the metal the spring is made of D. The spring force to the change in the length of the spring
The resistance of a wire can be increased by
a. making the wire longer. b. lowering the temperature of the wire. c. making the wire thinner. d. making the wire shorter.