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An undamped 1.16-kg horizontal spring oscillator has a spring constant of 38.9 N/m. While oscillating, it is found to have a speed of 3.18 m/s as it passes through its equilibrium position. What is its amplitude of oscillation?
What is the oscillator\'s total mechanical energy as it passes through a position that is 0.692 of the amplitude away from the equilibrium position?
A 150 g aluminum cup contains 150 g of water and both are at 13 C. If you add 150 g of hot water at 90 C what is the final temperature at thermal equilibrium? How much hot water at 90 C needs to be added to achieve a final temperature of 44 C?
a 184x astronomical telescope is adjusted for a relaxed eye when the two lenses are 1.20 m apart. what is the focal length of the objective
(a) A clear image of an object is formed on the retina of a human eye. As the object moves closer to the eye, for a clear image to still be formed on the retina.
A small block of mass 20.0 grams is moving to the right on a horizontal frictionless surface with a speed of 0.68 m/s. What is the speed of the 40.0 gram block after the collision
A car is driving directly north on the freeway at a speed of 112 km/h, What is the velocity of the truck relative to the car
A plastic bag is filled with hydrogen at atmospheric pressure and 27.0 oC. Assume that the mass of the bag is negligible, How large a volume of hydrogen (in m3) is required
The kinetic friction force between surface and disk slows down its linear motion while at the same time making the disk spin on its axis at an accelerating rate. Finally, the disk's rotation catches up with its linear motion, and disk begins to roll ..
A 53.26 g sample of a substance is initially at 29.9 °C. After absorbing 2429 J of heat, what is the specific heat of the substance
A high energy photon is scattered at an angle of ? =180.0° from an electron that is initially at rest. Find the energy of the incident X-ray photon
Determine the work done on the box by each of the four forces that act on the box. Be sure to include the proper plus or minus sign for the work completed by each force.
Find out the magnitude of the centripetal force.
A particle is oscillating with simple harmonic motion with a period of T = 2.44 s, What is the amplitude of the particle's motion
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