Ex. 93 : A clock regulated by a seconds pendulum keeps correct time. During summer the length of the pendulum increased to 1.01 m. How much will the clock gain or loose in one day ? (g = 9.8 m/s?). %3D
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- Convert the following to basic SI units or a combination of basic Sl units:For a simple pendulum, the restoring "force" is the torque due to gravity, mgL. Here m is the mass of the pendulum, g is the acceleration due to gravity, and L is the length of the pendulum. The "inertia" is the rotational inertia, mL². What is the expected period T of a simple pendulum? OA. 2л√/mg/L OB. 2√✓/L/mg OC. 2n√L/g OD. 2n√g/L OE. none of theseAn elephant has legs that stretch 2.30 m from its shoulders to the ground. How much time is required for one leg to swing forward after completing a stride? What would you predict for this elephant's stride frequency? That is, how many steps per minute will the elephant take?
- The block is at rest as shown. What is the peiod of the oscillation if the block is pulled down by 10 cm, in seconds? Use g = 10 m/s2. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.A mass of 0.4 kg oscillates up and down, supported by a spring. The period of the oscillation is 2.0 s. Next you replace the 0.4 kg mass with an object of unknown mass, and the period of vertical oscillations is now 3.2 s. What is the mass of this object? m2 i kgBabalik pa rin. A block attached to a spring oscillates back and forth on a frictionless surface with a period of To. If the angular frequency was doubled, what would be its period of oscillation?? O To/2 O To 2To O √2To
- A body oscillates in simple harmonic motion according to the equation: x = 5.0 (cos 0.40 t 0.10) where each term is in mks units (meters, kilograms, seconds). A) What is the period of the motion in seconds? B) What is the displacement x at t = 2.0 seconds?. A plucked rubber band oscillates at 57.4 Hz. How many times does it oscillate in 5.0 s? In Problem 7, what is the period of oscillation?