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a 4 m string is held fixed at both ends. when driven by 108 Hzsource, the string vibrates in 4 distinct segments. What is the natural fundamental frequency of the string?
even as Jo moves off in the opposite direction at a speed of 1.27m/s. assuming that friction is negligible, find out Al's mass.
An object moves according to x = 3 m e^(-2/s t), y = 4 m sin(3/s t), z = -5 m cos(3/st) . a. Find its velocity. b. Find its acceleration. Note: s is seconds ex:-2/s means -2 per second and m is meters
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. What stopping potential would be observed when using light from a red lamp
The position of a 1.2kg mass is given by x = (2t^3 - 3t^2)m, where t is in seconds. What is the net horizontal force on the mass at t = 0s
A car is traveling along a straight road at a velocity of +31.0 m/s when its engine cuts out. For the next ten seconds, the car slows down, and its average acceleration is a1.
A 55.1-kg ice skater is moving at 4.00 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. Determine the force exerted by the horizontal rope on her arms
A mass hung on a string that is wrapped around an axle on a wheel produces a tension in the string of 5.65 N. The axle has a radius of 0.045 m. What is the angular acceleration of the system
The height of a helicopter above the ground is given by h = 2.95t^3, where h is in meters and t is in seconds. At t = 2.50 s, the helicopter releases a small mailbag.
A projectile that is fired from a gun has an initialvelocity of 90.0 km/h at an angle of 60.0o above thehorizontal. When the projectile is at the top of its trajectory, aninternal explosion causes it to separate into two fragments ofequal mass.
Two capacitors, C1 = 4.0mF and C2 = 9.0mF , are in series, Find the potential difference across second capacitor and Find the charge stored on the second capacitor
A ball has a diameter of 3.90 cm and average density of 0.0845 g/cm3. What force is required to hold it completely submerged under water
A 3.00-m long rod is hinged at one end. The rod is initially held in the horizon position, and then released as the free end is allowed to fall. What is the angular acceleration as it is released
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