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A mass-spring system oscillates with an amplitude of 5.20 cm. If the spring constant is 247 N/m and the mass is 535 g, determine the mechanical energy of the system. Determine the maximum speed of the object. Determine the maximum acceleration.
A tennis player tosses a tennis ball straight up and then catches it after 1.65 s at the same height as the point of release. What is the acceleration of the ball while it is in flight
A weather vane initially at rest has a moment of inertia of 0.110 kg · m2 about its axis of rotation. Find the angular velocity of the weather vane just after it is struck
A 2.2hp electric motor on a water well pumps water from 14m below the surface. How many liters of water does the motor pump in 2.0hr
A brass plate measures 30.0 cm by 40.0 cm. The coefficient of linear thermal expansion is 19.0 10-6/°C. what is the increase in the area of the plate
A positively charged particle of mass 7.27E-8 kg is traveling due east with a speed of 87.0 m/s and enters a 0.250 T uniform magnetic field. The particle moves through one-quarter of a circle in a time of 2.04E-3 s, at which time it leaves the field ..
A skier is sliding downhill at 5 m/s when she reaches an patch on which her skies move freely with neglegible friction. What is the speed of the skier at the bottom of the icy patch
A box of books is initially at rest a distance D = 0.515 m from the end of a wooden board. Find the speed of the box as it reaches the end of the board
How many excess electrons must be added to an isolated spherical conductor of diameter 38.0cm to produce an electric field of 1105N/C just outside the surface
A hollow aluminum cylinder 24.5 cm deep has an internal capacity of 2.000 L at 22.0°C. It is completely filled with turpentine at 22.0°C. How much turpentine overflows
The force of repulsion that two like charges exert on each other is 4.0 N. What will the force be if the distance between the charges is increased to 6 times its original value.
The threshold of hearing is defined as the minimum discernible intensity of the sound. It is approximately . Find the distance from the car at which the sound from the stereo can still be discerned. Assume that the windows are rolled down and that ea..
An antenna radiates with U(x,0)=1 for -1
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