Which spectral class does the sun belongs to
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Related Questions
classify the following substances as acidic, basic, or neutral: a. a soapy solution, pH = 9 b. a sour liquid, pH = 5 c. a solution with four times as many hydronium ions as hydroxide ions
Glare appears on a computer screen when light from the surroundings reflects off of the screen’s surface. Some computer screens have a special coating to reduce glare.Which best explains how the coating works? A:The coating absorbs light that shines on it and prevents the light from reflecting B:The surface of the coating is rough, so light that shines on it gets scattered in many directions. C:The coating bends light that passes through it and prevents the light from reaching the user’s eyes D:The surface of the coating allows light from the room to pass through but blocks the light from the screen.
A situation were you can accelerate even though your speed doesn't change
A 60 kg student is standing atop a spring in an elevator that is accelerating upward at 3.0 m/s2. The spring constant is 2.5 x 103 N/m. By how much is the spring compressed?
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cool things as close to Absolute Zero as we want to, but we can
never get all the way there.
I think that individual atoms and molecules have been cooled in
the laboratory to within a few thousandths of a Celsius degree
of it ... actually not too shabby an accomplishment !
____________________________________
WOW ! I just went and searched online for more information
on this subject. (You can't imagine what great stuff you can find
by doing that. You ought to try it some time.)
The 1997 Nobel Prize in Physics was awarded to a team of three
physicists who invented a method of using lasers to slow down the
motion of atoms, and that's the same thing as cooling them. They
were able to cool some atoms to a temperature of 240 millionths
of a degree above Absolute Zero !
the distance between the object and the image
B.
distance between the object and the center of the lens
C.
the distance between the center of the lens and the image
D.
the distance between the focal point and the center of the lens
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Answer is D.the distance between the focal point and the center of the lens.
Answer:
it is B i took the test and got it wrong when someone said it was A
Explanation:
it is the one that says the sizing of the objects will appear unusual
7.5 m. Determine the force of friction
causing the puck to slow.
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F=ma
m=170g=0,17kg
Acceleration using kinematic equations:
vk²=vp²+2aΔd
vp-initial velocity=25m/s
vk-ending velocity=10m/s
Δd-distance
a=
a=
a=
a=-35
F=0,17kg*(-35m/s²)=-5,95N
Isaac Newton
Johannes Kepler
Tycho Brahe
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(:
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Answer:
a= kinetic energy vs. different masses at same speed, b= kinetic energy vs. same masses at different speeds
Explanation:
graphs are looking at speed so masses don't matter as much. same speed the whole time will equal same kinetic energy the whole time.
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Speed = Distance / Time
In this case, the distance covered is 100 meters, and the time taken is 60 seconds.
Speed = 100 meters / 60 seconds = 1.67 meters per second
So, the speed of the swimmer is approximately 1.67 meters per second.