A 1.5 kg mass is attached to a vertically oriented spring, stretching it 0.45 m. The mass is moved upwards 0.25 m from its equilibrium position and held. A 0.8 kg mass is added to the hanging mass and the total mass is released from rest. What is the amplitude of motion for the two mass system?
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A 1.5 kg mass is attached to a vertically oriented spring, stretching it 0.45 m. The mass is moved upwards 0.25 m from its equilibrium position and held. A 0.8 kg mass is added to the hanging mass and the total mass is released from rest.
What is the amplitude of motion for the two mass system?
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- A 0.500-kg mass is suspended from a string, forming a pendulum. The period of this pendulum is 3.65 s when the amplitude is 1.00 cm. The mass of the pendulum is now reduced to 0.250 kg. What is the period of oscillation now, when the amplitude is 2.00 cm?A tall building is swaying back and forth on a gusty day. The wind picks up and doubles the amplitude of the oscillation.By what factor does the maximum speed of the top of the building increase?By what factor does the maximum acceleration of the top of the building increase?The period of oscillation of a spring-and-mass system is 0.570 s and the amplitude is 4.44 cm. What is the magnitude of the acceleration at the point of maximum extension of the spring?
- An object is attached to a coiled spring. The object begins at its rest position at t = 0 seconds. It is then propelled downward. Write an equation for the distance of the object from its rest position after t seconds, if the amplitude is 7 inches and the period is 5 seconds The equation for the distance d of the object from its resting position isa) Use energy conservation to find the amplitude of the motion. b) Use energy conservation to find the maximum speed of the glider. c) What is the angular frequency of the oscillations? (express in rad/s)If you double mass doesthe angular frequency of oscillation increase, decrease, or stays the same? What about if you double the distance that the mass is stretched from equilibrium. Does the angular frequency increase, decrease, or stays the same. Please answer all parts of the question.
- (hrw8c15p89) A vertical spring stretches 7.4 cm when a 2.0 kg block is hung from its end. Calculate the spring constant. Submit Answer Tries 0/5 This block is then displaced an additional 5.5 cm downward and released from rest. Find the period. Submit Answer Tries 0/5 Find the frequency. Submit Answer Tries 0/5 Find the amplitude ( cm). Submit Answer Tries 0/5 Find the maximum speed of the resulting SHM ( cm/s). Submit Answer Tries 0/5This, the length of the pendulum is 1.89 m. Now you start with the pendulum at 8.5 degrees with respect to the vertical, but rather than releasing it from rest, you give it a push downward. It swings to the other side, and reaches a maximum angle of 42.5 degrees with respect to the vertical. What must have been the initial speed of the pendulum just after you pushed it? 4.99 m/s 3.06 m/s 3.12 m/s 0.64 m/sThis, the length of the pendulum is 1.58 m. Now you start with the pendulum at 20.6 degrees with respect to the vertical, but rather than releasing it from rest, you give it a push downward. It swings to the other side, and reaches a maximum angle of 34.3 degrees with respect to the vertical. What must have been the initial speed of the pendulum just after you pushed it? 1.41 m/s 3.71 m/s 1.85 m/s 2.32 m/s
- The device pictured in the following figure entertains infants while keeping them from wandering. The child bounces in a harness suspended from a door frame by a spring. (a) If the spring stretches 0.250 m while supporting an 8.0-kg child, what is its force constant? (b) What is the time for one complete bounce of this child? (c) What is the child’s maximum velocity if the amplitude of her bounce is 0.200 m?券 A child bounces in a harness suspended from a door frame by three elastic bands. (a) If each elastic band stretches 0.200 m while supporting a 5.95-kg child, what is the force constant for each elastic band? N/m (b) What is the time for one complete bounce of this child? (c) What is the child's maximum velocity if the amplitude of her bounce is 0.200 m? m/sA 90.0-kg skydiver hanging from a parachute bounces up and down with a period of 1.50 s. What is the new period of oscillation when a second skydiver, whose mass is 60.0 kg, hangs from the legs of the first, as shown.