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A body oscillates with simple harmonic motion according to x = (4.0 m) cos[(2.0pi rad/s)t + pi/3 rad]. At t = 4.50s
What is the displacement?
What is the velocity?
What is the acceleration?
What is the phase of the motion?
What is the frequency?
What is the period of the motion?
You have a spherical mirror with a radius of curvature of+15cm (so it is concave facing you). You are looking at an object whose size you want totriplein the image, so you can see it better. Where should you put the object? Where will the image be? W..
One-half mole of a monatomic ideal gas expands adiabatically and does 520 J of work. Specify whether the change is an increase or a decrease
So as to simulate weightlessness for astronauts in training, they are flown in a vertical circle. If the passengers are to experience weightlessness, how fast must an airplane be moving at the top of a vertical circle with a radius of 1545 m.
The maximum angular magnification of a magnifying glass is 12.0 when a person uses it who has a near point that is 25.0 cm from his eyes. Obtain the focal length of the objective
A moving particle encounters an external electric field that decreases its kinetic energy from 8650 eV to 7540 eV as the particle, Determine the charge of the particle. Include the algebraic sign (+ or ?)
An electron is accelerated horizontally from rest in a television tube by a potential difference of 25,000 V. At what angle will the electron be traveling after it passes between the plates
A 100 pF capacitor is charged to a potential difference of 70 V, and the charging battery is disconnected. what is the capacitance of this second capacitor
What is the change in entropy for the system. How much force must be applied to climb the hill at the same speed and same air resistance.
a 2.5 kg object slides along a frictionless horizontal table with an initial speed to the left. it strikes a coiled spring ( force constant= 500. N/m), calculate the force exerted by the bumper on the object
A wave has an angular frequency of 110 rad/s, Calculate the angular wave number and the speed of the wave
A converging lens of focal length 7.99 cm is 19.7 cm to the left of a diverging lens of focal length -6.02 cm, Calculate the magnification of the coin's final image
A ball m=1kg rolling without slipping on a flat surface with v=.1m/s strikes the wall after which v=.08m/s
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