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Can the average person tell that a 2026 Hz sound has a different frequency than a 2030 Hz sound without playing them simultaneously?
What is the smallest difference in frequency from 2026 Hz that the average person can detect?
A non conducting solid sphere of radius 8.40 cm has a uniform volume charge density. What is the sphere's volume charge density
The potential energy stored in the compressed spring of a dart gun, Find by how much is the spring is compressed
An airplane propeller is rotating at 1250rpm. Compute the propeller's angular velocity
A spinning flywheel has rotational inertia I = 405.0 kg•m2. Its angular velocity decreases from 20.3 rad/s to zero in 250.3 second due to friction. Compute what is the frictional torque acting
An eyepiece of 2.6- cm focal length and an objective of 0.32- cm focal length are used in a standard microscope
the best rebounders in basketball have a vertical leap that is the vertical movement of a fixed point on their body of
A model rocket fired vertically from the ground ascends with avertical acceleration of 3.6 m/s2 for 5.0 s. Its fuel is then exhausted, so itcontinues upward as a free-fall particle and then falls back down.
the position of a particle is given by the expression x=4cos(3pt+p), where x is in meters and t is in seconds. estimate the frequency and the period of the motion
You have decided to move a refrigerator (mass = 72.7 kg, including all the contents) to the other side of the room. How much net mechanical works have the two of you done together
A flywheel is spinning with its axle pointing along the east-west direction. You are standing west of the flywheel facing toward it. What is the direction of the flywheel's angular velocity
A 13 kg dog is standing on the edge of astationary, frictionless turntable of rotational inertia 95kg·m2 and radius 2.05 m.The dog walks once around the turntable. What fraction of a fullcircle does the dog's motion make with respect to the ground?
A day-care worker pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a spinning rate of 20.4 rpm in 11.0 s. Calculate the torque required to produce the acceleration
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