Physics

7/21/22, 7:37 AMProblem Set ThreeNotes: Use 9.8 m/s 2 for the acceleration due to gravity. Formust be expressed in m/sLaw calculations, mass must be expressed in kg and velocity.A man with a mass of 110kg slides down a vertical pole with an acceleration of 9 m/s2. What is the frictional force acting on the man?
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A 100-g ball is launched from the ball launcher in a pinball machine (pictured below). The force constant of the spring is 110 N/m. The spring is initially compressed 4.0 cm and the coefficient of kinetic friction is 0.2. Hint: watch your units!a) How fast is the ball going when it passes the equilibrium point of the spring?b) How far will the ball go up the ramp? Specify clearly what value you are giving me!
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A car coasts into a hill at 16.0 m/s. It slows down with a uniform acceleration of -1.0 m/S/S.What is the displacement after 5.0s?What is the displacement after 10.0s?
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What happens when sunlight strikes a photovoltaic cell? A. small tubes of water are heated, producing a flow of energyB. carbon dioxide is released as a waste productC. electrons are released, causing a flow of electrical currentD. atoms are split, resulting in a release of energy
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A bar magnet is cut into two pieces from the middle as shown in the figure. Mark the poles on these magnets if it is further broken into smaller pieces?
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Hello, I am currently stuck on this question and I am very confused as to how to solve it, may I have some help?
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a 1.0 kg is dropped from a height of 6.0m. at what height is the rock's kinetic energy twice its potential energy?
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Fg = Fc. How can the gravitational force be equal the the centripetal force when both forces are pointing inwards?
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light travels through water with a speed of 2.25x10 m/s. What is refractive index?
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What is the resultant of two displacement vectors having the same direction?1) The resultant is the sum of the two displacements having the same direction as the original vectors.2) The resultant is the difference of the two displacements having the same direction as the original vectors.3) The resultant is the sum of the two displacements having the direction opposite to the direction of the original vectors.4) The resultant is the sum of the two displacements having the direction perpendicular to the direction of the original vectors.
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what is the fraction form 4.75
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What is the independent variable of Measuring physical properties: the Tiny World
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Amber walked to the swimming pool, stopping to talk to Maria on her way there.Amber walked at a constant speed of 100 m/min for the first four minutes; then shevisited with Maria for three minutes; then walked for two more minutes at a constantspeed of 75 m/min. In words, describe how a distance-versus-time graph of Amber'sprogress would look.
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which statement describes a characteristic of an experimental design that will improve the quality of the results?
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Estamos bajando dos cajas de madera con frutos menores (una encima de la otra) por una rampa con una inclinacin de 30 grados con la horizontal. La caja inferior tiene una masa de 80kg y su coeficiente de friccin con el suelo es de 0.3, y la caja superior tiene una masa de 30kg con un coeficiente de friccin con la caja inferior de 0.8. Calcula la fuerza que tenemos que ejercer para que ambas cajas bajen con velocidad constante de 0.5m/s.
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A stone propelled from a catapult with a speed of 50m|s attains a height of 100m. Calculate: a) the time taken (b) the angle of projectile (c) the range attained
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For the velocity-time graph shown, which statement describes what happens to the velocity between approximately 24 s and 25 s?A) The lander's velocity increases away from the reference.B) The lander's velocity decreases toward the reference.C) The lander's velocity decreases away from the reference.D) The lander's velocity increases toward the reference.
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1. A man pulls a crate with a rope. The crate slides along the floor in the horizontal direction (x direction). The man exerts a force of 50 N on the rope, and the rope is at an angle . Describe how the force components change as the angle increases from 0 to 90 and use your graph to explain your answer. Give a detailed explanation of the forces at . Show a sample calculation at one angle for both components.
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Consider two pieces of the same metal at the same temperature, but one piece is a higher mass than the other. Which piece of metal has more thermal energy?.
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What would be the pressure of 1.0 g of O2 contained in a 4.00 L container at 293 K?
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63-kg rock-climber is being pulled up the last 5.9 s of her climb by a rope. Her speed increases from 0 m/s to 2.9 m/s as she is being pulled upward. How much tension force is she applying to the rope?
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How will a strong material differ from a weaker material?
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In which type of circuit must the current always be the same through eachresistor?A: Series CircuitB: Parallel CircuitC: Both
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The input force of 11 N acting on the effort arm of a lever moves 0.4 m, which lifts a 40 N weight resting on the resistance arm a distance of 0.1 m.What is the efficiency of the machine
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