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A horizontal spring is lying on a frictionless surface. One end of the spring is attached to a wall, and the other end is associated to a movable object. The spring and object are compressed by 0.056 m, released from rest, and subsequently oscillate back and forth by an angular frequency of 10.8 rad/s. What is the speed of the object at the instant when the spring is stretched with 0.047 m relative to its unstrained length?
a parallel-plate air capacitor of area a18.0cm2 and plate separation d2.60mm is charged by a battery to a voltage 68.0
A converging lens (f = 11.4 cm) is located 33.0 cm to the left of a diverging lens (f = -5.4 cm). A postage stamp is placed 36.6 cm to the left of the converging lens. Find the overall magnification.
A wheel of diameter 5.8 cm has a 4 m cord wrapped around its periphery. Starting from rest, wheel is given a constant angular acceleration of 4.9 rad/s2. How much time it will take for the cord to unwind.
A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potential energy of the nucleus due to electrical forces
Magnetoencephalography (MEG) is a technique for measuring changes in the magnetic field of the brain caused by external stimuli such as touching the body or viewing images of food. what is the magnetic field at the center of the hemisphere of the ..
The volume of an ideal gas is adiabatically reduced from a volume of 200 L to a volume of 74.3 L. How many moles are in the gas
A rocket moves upward, starting from rest with an acceleration of 33.4 m/s2 for 3.47 s. It runs out of fuel at the end of the 3.47 s but does not stop. How high does it rise above the ground.
A 1.5 m long stick by a mass of 0.3 kg is pivoted on a hinge at one end and held horizontally by a spring with spring constant 10N/m attached at the other end. What is the frequency, f (in Hz), of small up and down oscillations of the stick?
a ray of light is incident on the mid-point of a glass prismsurface at an angle of 25 degrees with the normal. for
An air duct in a building has a radius of 8 cm and a length of 17 m. What pressure is required to push air through the duct at a flow rate of 1.1 m3/s
An ideal monatomic gas, consisting of 2.73 mol of volume0.0805 m3, expands adiabatically. What is the final volume of the gas
Suppose we have a rocket that has an acceleration of 8.92 m/s2 in the x direction. What would the acceleration in the y direction of an astronaunt be inside the rocket. Assume that the astronaunt is on Earth and that there is only an x (horizontal) a..
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