Physics

Iron, Nickel, Copper, Zinc... These are all what kind of metals?
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Read this statement: Biotechnology uses primary clarifiers for biological nutrient removal.Which part of the statement is not true? Biological nutrients are found in wastewater. Primary clarifiers remove biological nutrients. Biological nutrients are part of biotechnology processes. Biological nutrient removal is part of wastewater management.
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explain the process of convergence and divergence ! HELPPP
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Calculate the force of gravity of a 25kg block resting on the earth (M=5.97x10^24kg). The radius of the earth is 6.38x10^6m.I already know...[tex](6.67*10^{-11})(25)(5.97*10^{24} )/(6.38*10^6)^2[/tex]But I don't understand what steps I have to take to solve that equation
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yayy here you are f, r, e, e, p, o, i, n, t, s
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An open train car rolls along a track while it is being filled with sand. There is negligible friction. As a result ofthe accumulating sand, what happens to the speed of the train car? (Assume negligible friction and the cart isjust rolling along, not receiving any additional force to regulate its speed.)
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During take-off a 8kg model rocket is burning fuel causing its speed to increaseat a rate of 4m/s2 despite experiencing a 90N drag.Whats is the strength of the thrust? (Answer unit is in N)( and the answer isnt 212)
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Why would poor clusters of galaxies be more likely to have irregular shapes then rich clusters
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Solve the science problem
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Determine the percent composition of chromium (III) flouride CrF3(Show your solution)
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What is the surface temperature of Sirius B in Kelvins?
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12) A horizontal force of 200 N is applied to move a 55-kg cart (initially at rest) across a 10 m level surface. What is the final speed of the cart? [hint: use work energy principle] [3 marks]
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An object accelerates from rest to 93 m/s over a distance of 49 m. What acceleration did it experience?
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Which of the following is the goal of physical fitness test? *a. to determine the level of fitness.b. to identify the area of development/improvement.c. all of the aboved. to identify strengths and weaknesses.
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Two parents are having a child The father has freckles which are a dominant trait The mother does not have trecktes Find the possibility of the chad having tracks.
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A 200-kg, 2.0-m-radius, merry-go-round in the shape of a flat, uniform, circular disk parallel to level ground is rotating at 1.2 cycles/second about an axis through its center of mass and perpendicular to the ground. A 50-kg boy jumps onto the edge of the merry-go round and lands at a fixed point. What is the angular velocity of the merry-go-round after the boy lands on it
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2.4 physics assignment.
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How does the temp of water change when it is heated on a stove top and it begins to boil.
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two factors affecting the magnitude of force of gravity betwwn 2 objects are A. mass and matter B. mass and distance C. weight and mass D. distance and weight
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If a 35 kg box collides with a stationary 120 kg box with a force of 90 N, what must be true of the magnitude of the reaction force?
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A 2-kg object moving at 10 m/s has a 4-N force applied to it. Can you predict how the force will affect the object? A) yes, it will slow it down at a rate of 2 m/s2. B) yes, it will speed it up at a rate of 2 m/s2. yes, it will speed it up at a rate of 4 m/s2. D) It cannot be determined without more information.
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23 and 24 only please help!
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pls answer this question is due today
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The planar simple harmonic wave travels in the positive direction of x axis with wave velocity u=2m/s, and the vibration curve of the particle at the origin in cosinusoidal form is shown in the figure. Try to find (1) the vibration function of the particle at the origin, (2) the wave function of the planar simple harmonic wave according to the origin.
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