Imagine that we have a liquid with a density of 3.5 g/cm3. Knowing that objects of higher density will sink in the liquid, will a piece of quartz sink or float in the liquid?
What will be an ideal response?
a piece of quartz float in the liquid
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To what is the radiation damage in biological organisms primarily due?
a. helium introduction b. heating c. induced radioactivity d. ionization
The planetary model of the hydrogen atom consists of an electron in a circular orbit about a proton. The motion of the electron of charge 1.60 × 10^-19 C creates an electric current. The radius of the electron orbit is 5.30 × 10^-11 m and the electron's velocity is 2.20 × 10^6 m/s. What is the magnetic field strength at the location of the proton?
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
Determine ? when I = 0.50 A and R = 12 ?
a.
12 V
b.
24 V
c.
30 V
d.
15 V
e.
6.0 V