body is increased by 50%‚its kinetic energy is increased by what %? 5. A mass m covers a certain distance s under the action of a constant force‚starting from rest. The kinetic energy acquired by it depends on what power of its mass? 6. At time t=0‚a particle starts moving along the x-axis. If its kinetic energy increases uniformly with time t‚the net force acting on it is proportional to what power of time? 7. A ball of mass 50g is thrown upwards. It rises to a maximum height of 100m. At what
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hung and measured different masses on a spring-mass system to calculate the force constant k. Simple harmonic motion is a special type of periodic motion. It is best described as an oscillation motion that causes an object to move back-and-forth in response to a restoring force given by Hooke’s Law: 1) F=-kx Where k is the force constant. Then using two different procedures‚ we calculate the value of the force constant k of a spring in our oscillating system. We observed the period of
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is transferred to the arrow and gives it its initial velocity. The force that the archer applies to the bow to bend it is actually the weight that he feels on his fingers as he pulls back the string. The archer feels a greater weight on his fingers as he pulls the string farther away from its resting position.
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the instantaneous force on the induced dipole (R >> δ) and the interaction energy at a given R‚ is (28) As the induced dipole is parallel to the field‚ so no angle (Fig. 1.2) appears in the expression. +Q + Fig. 1.2 (vii) Dipole-dipole interactions [20(c)] These types of interactions are the important forces between polar molecules. For two permanent
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“Obstacles don’t have to stop you. If you run into a wall‚ don’t turn around and give up. Figure out how to climb it‚ go through it‚ or work around it‚” Michael Jordan said when asked about his greatness. This six-time NBA champion is one of the most accomplished men in the history of sports and the world as a whole; despite‚ as a high school athlete‚ he was looked at as being to small to compete at the next level. Thereafter‚ Jordan is known to be the greatest basketball player of all-time. He is
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Physics 111 N Final Exam Please answer all problems on the blank paper provided. Clearly print your name and student ID on every sheet you use. Please hand in your formula sheet along with your answers Course ID : 10076 Prof. Jozef Dudek Unless instructed otherwise‚ you must show working‚ or explain how you came to your answer for all questions. You cannot get full credit on a question unless working is shown. Partial credit will be awarded for working which is partially correct
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object at rest will remain at rest and an object in motion will continue moving at a consistent velocity unless acted upon by a net force. A real world example of this would be playing golf. The golf ball sits on the tee with no momentum‚ nor force acting upon it (excluding the force of gravity). And when the club comes through to hit it‚ it generates a greater net force and moves through the ball with a certain velocity. The momentum from the club is then transferred from the club‚ to the ball. When
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the net force acting on it is zero. Two Types of Equilibrium 1.) Translational Equilibrium - a body is in translational equilibrium when no net force acts on it. The vector sum of the forces is equal to zero. 2.) Rotational Equilibrium - a body is in rotational equilibrium when no net torque acts on it. The sum of the torques is equal to zero. Conditions for Equilibrium The first condition of equilibrium: “For a body to be in equilibrium‚ the vector sum of all the forces acting
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so the life force of the world (Anima Mundi) is now "bleeding" due to this imbalance. The wisps gather around these craters as they are attracted to this life force‚ because this is one of the powers that Guthix used to become so powerful. This same force‚ now saturates the wisps as his memories. Those who study Divination west of the Lumbridge Crater‚ as well as many adventurers‚ are trying to return the memories to the various craters as it seems that giving Guthix’s life force back to the
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fluid cannot‚ any shear stress applied to a fluid will result in the motion of that fluid for as long as the shear stress is applied. τ=FA Where F = force which is tangent to a surface (shear force)‚ A = area of moving plate in which shear force is applied to. Velocity gradient – is the change of velocity with distance. If applied shear force is changed‚ the shear stress is also changed‚ which results in a new velocity gradient being established. dvdy Boundary conditions of fluids in contact
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