4. The period of oscillation of a given mass that is connected to a vertical spring (k₁ = 340 N/m) is 1.80 s. If the same mass were instead suspended from a different spring (k₂ = 550 N/m), what would be the period of oscillation?
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- A 0.41-kg metal sphere oscillates at the end of a vertical spring. As the spring stretches from 0.12 m to 0.23 m (relative to its unstrained length), the speed of the sphere decreases from 7.0 to 4.5 m/s. What is the spring constant of the spring? Number i 306.17 Units N/nA student holds one end of a rope and oscillates her hand up and down 15 times in 3 seconds. What is the period of oscillation? 5 s 3 s 0.2 s 45 s5 kilogram object is suspended from a string. The string is 4 meters long. What is the period of the object ting as a pendulum? Express your answer a number of seconds, omitting the unit.
- 3. A 1.25-kg block oscillates on the end of a spring whose spring constant is k = 52.0 N/m. The mass moves in a fluid which offers a resistive force F = -bv where b = 0.662 Ns/m. (a) What is the period of the motion? (b) What is the fractional decrease in amplitude per cycle? (c) Write the displacement as a function of time if at t=0, x = 0, and at t = 1.00s, x = 0.120m.1.A watch haneing from a chain swings back and forth every seconds. What is the frequency of its oscillations? Calculate answer to one decimal 2.In an experiment performed in a space station, a force of 13 N causes an object to have an acceleration equal to 4, 4 m/s What is the object's mass? Calculate answer to one decimal. 3.A person stands on a scale inside an elevator at rest. The scale reads 787 N. what is the person's mass? Calculate answer to one decimal. (use g=9.8 m/s^ 2 ) 4.A person stands on a scale inside an elevator at rest. The scale reads 800 N. The efevator accelerates upward at the rate of 1.3 m/s ^ 2 . What does the scale read then? Calculate answer to one decimal. ( use g=9.8 m/s^ 2 ) 5.A race car rounds a curve at 55 m/s The radius of the curve 363 m and the car's mass is 1,293 kg. What is the centripetal force acting on the car? Calculate answer to one decimal 6.A9 kg mass hangs from a rope. A force is applied to the rope so that the mass is accelerated upward at…16. A 3.2 kg mass is attached to a hanging spring with a spring constant of 25 N/m. The mass is displaced from its equilibrium position by 5 cm and system is observed to have oscillating behavior. What is the period of the oscillating spring-mass system?
- 1 A spherical ball mass 5x10-4 kg is attached to a spring of force constant k = 0.05 N/m underwater. The mass is set to oscillate under the action of the spring. Calculate the Q factor of the oscillator. Consider c = 5×10-5 N.s/m4. A simple pendulum is suspended from the ceiling by means of a string of length 1.44 m long. Suppose you start with the pendulum hanging vertically, at rest. You then give it a push so that it starts swinging with a speed of 1.53 m/s. What maximum angle (in degrees) will it reach, with respect to the vertical, before falling back down? 32.9 degrees 28.2 degrees 23.5 degrees 16.5 degrees