Good examples of a multicellular organisms which can exist under an enormous range of conditions are
A) tardigrades
B) algae
C) corals
D) molds
A
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Matter Waves: A proton that is moving freely has a wavelength of 0.600 pm. (mproton = 1.67 × 10-27 kg, e = 1.60 × 10-19 C, h = 6.626 × 10-34 J ? s)(a) What is its momentum?(b) What is its speed?(c) What potential difference would it have been accelerated through, starting from rest, to reach this speed?
What will be an ideal response?
The length of the telescope is 1.60 m and it has a magnification of 60.0. What is the focal length of the objective?
A) 60.0 cm B) 157 cm C) 100 cm D) 128 cm E) 96.0 cm
Electrons in a particle beam each have a kinetic energy of 4.0 × 10^?17 J. What is the magnitude of the electric field that will stop these electrons in a distance of 0.3 m? (e = 1.6 × 10^?19 C)
a. 1.9E+3 N/C b. 7.5E+3 N/C c. 8.3E+2 N/C d. 1.3E+3 N/C e. 6.3E+3 N/C
In a certain region of space, the electric field is zero. From this fact, what can you conclude about the electric potential in this region?
1.It is zero. 2.It is constant. 3.It is positive. 4.It is negative. 5.None of these answers is necessarily true.