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La física es una materia muy importante entre todas las disciplinas naturales, utilizada para explicar las maravillas de la vida, y también es una de las materias más difíciles de estudiar.
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- If a car is traveling at 45m/s and has a momentum of 67,500kg^ast m/s ,what is the mass of the car?
- to considerior can one 5. What is the change in velocity of object 2.when the masses are equal? What does the sign of this change indicate about the direction of the force on object 2? Draw a free-body diagram of the forces acting on object 2. __ 6. Do the directions of the forces acting on object 1 and object 2 support your understanding of why momentum is conserved? Explain. __ 7. When the mass of the object initially at rest (object 2) is tripled, how does the velocity of object 1 before the collision compare to the velocity of the two objects after the collision? __ 8. Do the two objects experience an equal change in velocity when their masses are unequal? If not, which object experiences a greater change in velocity? __ 9. If an object has more mass but experiences a smaller change in velocity than a second object, how does the force the more massive object experiences compare to the force on the less massive object? __
- Which equation could be rearranged to calculate the frequency of a wave? wavelength=frequency/speed frequency = wavelength/speed wavelength=speed/frrqquency frequency=speedxwavelength
- Four gases were combined in a gas cylinder with these partial pressures: 3.5 atm N2, 2.8 atm O2, 0.25 atm Ar, and 0.15 atm He. What is the total pressure inside the cylinder? P_(T)=P_(1)+P_(2)+P_(3)+ldots +P_(n) (P_(a))/(P_(T))=(n_(a))/(n_(T)) square Iatm DONE V
- Fluids Practice 2. Which of the following is NOT a fluid: air,liquid, gas, wood. Explain your answer. 3. What is pressure? How do we solve for it? 4. Explain how Archimedes principle determines the buoyant force on an object in any fluid medium. 5. Compare the buoyant force of water and the weight of a piece of wood that floats on water. 6. Explain Pascal's principle. 7. What is Bernoulli's Principle? 1. What is a fluid?
