Physics

How do you find the mechanical advantage of a gear?
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Which of the following particles is similar to a He nucleus?alphabetagammaneutrino
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Which terrestrial planet exhibits retrograde rotation?.
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How does energy affecf a wave?
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Thunder is heard 7.2 seconds after a bolt of lightning is observed. if the speed of sound is 349 m/s, how far away did the lightning strike?
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A coffee filter of mass 1.3 grams dropped from a height of 3 m reaches the ground with a speed of 0.5 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter
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How much momentum, in the x-direction, was transferred to the more massive cart, in kilogram meters per second
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Knowing the direction of heat flow, explain why if you leave a hot bowl of soup out in the open on the countertop, it eventually gets cold. Where is the heat going?
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Based on the first law of thermodynamics, the energy gained by a system is _____ the energy lost by the surroundings.
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A 50 kg object moving at 15 m/s collides with another 50 kg object moving in the same direction at 10 m/s. If the collision is inelastic, what is the final velocity of the two objects after they combine?
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Which statement best describes the circular flow model?
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Which of the following is an example of the characteristic of excretion?A) We shiver when we get cold.B) Moss on the side of the tree is active even though it looks still.C) Human kidneys produce urine.D) A rabbit gets nutrients from a carrot.
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A piece of cheese is placed on a vertical spring of negligible mass and a force constant k = 2300 N/m that is compressed by a distance of 18.0 cm. How much elastic potential energy is stored in this system? (Answer in J)
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true or false? Electrons in a circuit move from the negative terminal of a battery toward the positive terminal.
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Hello people ~Sound is a kind of(a) work(b) energy(c) force(d) pressure
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. Which object has a constant speed?a bicycle coming to a stopa racecar starting a racea ball falling off a tablea car traveling the speed limit
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What type of heat transfer occurs in your stomach when you eat hot soup and an ice cold beverage
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When you apply increasing thermal energy to a certain material, it reaches a temperature of 50 degrees C. However, when it reaches this temperature, applying more increasing thermal energy does not cause the temperature to rise. Which of the following best explains what is happening? 1. The system is having its heat leaking out that is not going into the material2. The material is at its phase change temperature and the thermal energy is going to change the phase instead of increase the temperature3. The material is made of a heat resistant alloy that is preventing the thermal energy from being fully absorbed4. The material has already absorbed enough thermal energy and cannot absorb any more
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Complete the mechanism for the given decarboxylation by adding any missing atoms, bonds, charges, nonbonding electrons, and curved arrows
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The driver of a pickup truck accelerated at a rate of -5 m/s2 in 2.0 seconds. What was his net change in velocity?
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2. All of the following are examples of physical properties except:A. tearing B. density C. melting point D. boiling point
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what is the ionic compound of Ba(NO3)2
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Phys-1A Horizontal Practice 2Ground-to-Ground EquationsHorizontal EquationsVicosVertical Equationssinay earth).-9.8 m/sHorizontal Launch EquationsHorizontal EquationsVertical EquationalVelocity-as-Hits:wv * , teUse. Pythagorean Rangeand tan (9)Show work/use units !!1. For each problem, solve for "?" and "?", and Velocity-as-it-Mits. Circle your final answers with units.2.26, 226, 24.3 65.7Vf, V+ay.twh25V4.0(Pythag. +7+17,tanVelocity-as-Hits -2. For each problem, solve for "7" and "?", and Velocity-as-it-Hits Circle your final answers with units.2.02,742, 21.1 69.5W.77VF, VI+ aytVF,Mercede(Pythag.+ vtanVelocity-as-Hits -
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What is the thoery of Newton?
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