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A 8.00 kg object oscillates at the end of a vertical spring that has a spring constant of 2.05 104 N/m. The effect of air resistance is represented by the damping coefficient b = 3.00 N·s/m.
(a) Calculate the frequency of the dampened oscillation.
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John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second. If north is the positive direction, what are John and Betty's speeds?
Question: A small 100 g cart is moving at 1.20 m/s on a friction less track when it collides with a larger, 1.00 kg cart at rest. After the collision, the small cart recoils at 0.850 m/s. What is the speed of the large c ...
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Question: The specific heat capacity of water is 4190 J/kg K, its heat of melting is 3.33 x 10^5 J/kg, and its heat of vaporization is 22.6 x 10^5 J/kg. For 1 kg of water, which of the following requires the most thermal ...
Question: The position of a particle is given by the expression x = (4.00m)cos(3πt + π), where x is in meters and t is in seconds. Determine (a) the frequency and period of the motion, (b) the amplitude of the motion, (c ...
Question: In one of the classic nuclear physics experiments at the beginning of the 20th century, an alpha particle was accelerated towards a gold nucleus and its path was substantially deflected by the Coulomb interacti ...
A car moves with a constant speed of 60 mph. What is the apparent weight of a 70 kg passenger when the car is at the bottom of a dip with a radius r = 100 m? m*g = N + (m*v*v/r) (70kg)(9.8) = N +(70kg)(26.82m/s)(26.82m/s ...
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