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Problem:
A spring of constant k = 100 N/m hangs at its natural length from a fixed stand. A mass of 3 kg is hung on the end of the spring, and slowly let down until the spring and mass hang at their new equilibrium position.
The spring is now pulled down an additional distance x and released from rest. How high above the point of release will the mass rise?
The student lifts his feet from the floor, so that the scale reads his weight, 150 lb, when the car is horizontal. At one point during the ride, the car zooms with negligible friction down a straight slope inclined at 22.0° below the horizontal. W..
An RC circuit with 2.50 ?F and 7.60 M?? includes a 6.00 volt source, What is the time constant for charging the capacitor
find the initial velocity of the ball. An echo is heard in 3 sec after the emission of sound. If speed of sound in air is 342 m/s, what is the distance of the reflecting surface from the source.
A rotating object starts from rest at t = 0 s and has s constant angular acceleration. At a time t = 7.0 s the object has an angular velocity of omega = 16 rad/s. What is the angular velocity at time t = 14 s?
A satellite is in orbit about Earth. Its orbital radius is 5.47×107 m. The mass of the satellite is 8913 kg, Determine the orbital speed of the satellite
At the same temperature, how does the internal energy of 1 mole of helium gas compare with the internal energy of 1 mole of argon gas? (Select all that apply.)
the following four expressions are representing simple harmonic motion in one dimension.a. xtc1ejwt c2-ewtb. xt b1
A long jumper leaves the ground at an angle of 20.0o to the horizontal and at a speed of 11.0 m/s. How long does he take to reach maximum height
A block on a 30 degree incline has an initial velocity of 3.5 m/s up the incline. How long until it returns to where it started from
For NaCl compute (a) the energy in eV necessary to excite the first rotational state and (b) the wavelength and frequency of the photon emitted in the transition back to the ground state
In a physics demonstration, two rubber balls are dropped down a tube towards the ground,with the lighter ball behind, How high does the light ball rise after the two collisions
What is error in the simple pendulum approximation
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