Small evidence is also called what?
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Water near the poles would most likely be stored as
A bottle lying on the windowsill falls off and takes 4.95 seconds to reach the ground. The distance from the windowsill to the ground is 120.00 meters. Find the time the bottle would take to land if it were to fall the same distance on the moon instead of Earth.
True or false The sound of a police siren would be an example of the Doppler effect
Which of the following is a good electrical conductor?plastic concrete wood gold
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⚘ YourAnswers:
A) Valency is the combining capacity of any element. Valence electrons refers to the electrons found in the outermost shell of the atom of the element.
B) Symbol and valency:
- Oxygen(O) = (At. no. 8) = -2(Valency)
- Potassium(K) = (At. no. = 19) = +1(Valency)
C) The reaction would be:
- Reactants = Magnesium and Oxygen
- Products = Magnesium oxide
- Word equation:
━━━━━━━━━━━━━━━━━━━━
Answer:
Oxygen-Symbol-O Potassium Symbol-K
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1 pascal = 1 newton / 1 square meter
So a pascal is an acceptable unit of pressure, and the statement
is true. It's very popular worldwide for this purpose, but it's by no
means the only one used everywhere. We also still see measurements
in units of pounds per square inch, Torr, millibars, atmospheres, etc.
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Answer:
132
Explanation:
(B) Enter an expression for the angular speed w of the system immediately after the collision, in terms of m, V, D, 0,
(C) Calculate the rotational kinetic energy, in joules, of the system after the collision
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Final answer:
We calculate the total moment of inertia of the rod-ball system after the collision by adding the moment of inertia of the rod and the added contribution from the putty ball. With this, we find the post-collision angular speed using Conservation of Angular Momentum. The rotational kinetic energy is then determined from this angular speed.
Explanation:
To solve this problem, we first need to calculate the moment of inertia of the combined system of the rod and the putty. The moment of inertia of an object is given by its mass times the square of its distance from the axis of rotation. That gives us I = 1/3 ML2 + m(D + L/2)2
Next we use Conservation of Angular Momentum to find the post-collision angular speed (ω). The initial momentum (mVD) is equal to the final moment of inertia times the final angular speed, so ω = mVD / I.
Finally, we calculate the rotational kinetic energy, which is given by ½ I ω2.
Learn more about moment of inertia here:
#SPJ12
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see what it would take to make the equation true.
Electrostatic force =
(a constant number) x (charge#1) x (charge#2) / (distance between them)² = 0
There you have an equation, with some stuff on the left side that's all equal to zero.
The stuff is all in the form of one fraction. In order for the fraction to be zero,
either the numerator is zero, or else the denominator is infinite.
So ?
The force is zero if ...
-- at least one of the charges is zero, OR
-- the charges are an infinite distance apart.
If you can arrange for either of those conditions, then you'll have zero force.
A. Cooling and crystallization
B. Weathering and erosion
C. Cementation and compaction
D. Drying and decaying
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Answer:
A
Explanation: I don't think I ever heard of Crystalization being apart of the rock Cycle but I could be wrong hope this helps