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A squirrel runs along an overhead telephone wire that stretches from the top of one pole to the next. The creature is initially at position xi = 2.57 m, as measured from the center of the wire segment. It then undergoes a displacement of Δx = -6.83 m. What is the squirrel's final position xf?
An object with a height of 5cm is placed in front of a concave mirror that has a focal length of 12cm. where should the object be placed
A woman is 1.8 m tall and has a mass of 61 kg. She moves past an observer with the direction of the motion parallel to her height. What does the observer measure for her height
A mechanism is shown in the following figure. Link ABC has an arc slot with a radius of R =100mm . The center of the arc O1 is on the line BC. The crank OA has a length of 100 mm. It rotates about point O with a constant angular velocity of ω =4 r..
You throw a 87.6-g pebble vertically up in the air, by supplying it with the initial kinetic energy of 1.6 J. How high up did you throw the pebble?
An elementary particle of mass M completely absorbs a photon, after which its mass is 1.01M. (a) What was the energy of the incoming photon (b) Why is that energy greater than 0.01Mc^2
Estimate the terminal speed of a wooden sphere (density 0.830 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500
q1. for a damped oscillator with a mass of 280 g a spring constant 140 nm and a damping coefficient of 74 gs what is
You are walking toward a plane mirror at a speed of 2.3 m/s. How fast is your image moving relative to you
An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 C and rejects heat to a room of temperature 25.0C. Assume that a mass 77.0kg of water at 0.0C is converted to ice at 0.0 C. How much heat is rejected to the room?
The output voltage of an AC generator is given by Δv= 780 V sin (30πt). The generator is connected across a 0.900 H inductor.Find the following. frequency of the generator. rms voltage across the inductor. inductive reactance. rms current in the in..
The wheel on an upside-down bicycle moves through 17.5 rad in 5.10seconds. what is the wheel's angular acceleration if its initialangular speed is 1.0 rad/s? answer in units of rad/s2
The propulsion force pushing the motorcycle up the ramp is 3150 N, an air resistance produces acforce of 200 N that opposes the motion, find the magnitude of the motorcycle's acceleration.
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