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A block is attached to a spring, and the block makes Contact with a frictionless surface. Sketch a graph of the potential energy of the block-spring system as a function of position along with the corresponding system as in Figure. Use this sketch to show how the block can move to the left from a positive position to a negative position and decrease the elastic potential energy of the system.
FIGURE: A. The reference configuration and the origin are set to the position of the block when the spring is relaxed. If the spring is then compressed B. or stretched C. the elastic potential energy of system increases.
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel as shown in the figure below. The flywheel is a solid disk with a mass of 57.0 kg and a radius R = 0.625 m...
What is the horizontal distance x (in metres) to the base of the wall supporting the mirror of the nearest point of the floor that can be seen reflected in mirror.
The radius of the moon is 1.74 x 10^6 m, the radius of the sun is 6.96 x 10^8 m, the average moon-earth distance is 3.84 x 10^8m, and the sun-earth distance is 1.496 x 10^11m. what is the apparent angle the diameter of the moon subtends, as seen f..
If a metal wire carries a current of 23.0 mA, how long does it take for 12.0×1020 electrons to pass a given cross-sectional area anywhere along the wire? The magnitude of the charge on an electron is 1.6 × 10-19 C.
A soldier has a huge contraption that notches a large 1 kg arrow (it looks more like a lance) in a massive bow and uses a winch system to draw the arrow back to set the bow. What is the speed of the arrow
q1. eight identical non-interacting particles are placed in a cubical box of sides l 0.2 nm.find the lowest energy of
question a river flows from south to north at 5.0 kmh. on this river a boat is heading east to west perpendicular to
A simple harmonic oscillator with m= 0.665kg and total energy E = 130J has amplitude 1.55m. Find the spring constant, period, max speed and max acceleration
A count rate meter is used to measure the activity of a given sample. At one instant, the meter shows 4.750 counts/min. Five minutes later, it shows 2700 counts/min.
Two balls of equal mass (0.60kg) approach the origin along the positive x- and y-axes at the same speed (3.4m/s). What is the magnitude of the total momentum of the system
A sample of isotope of 131 Iodine (half-life of 8.04 days) has activity of 5.8 mCi at the time of shipment. How much time has elapsed between the two measurements
If the man falls with his knees and ankles locked, the only cushion for his fall is a 0.480 cm give in the pads of his feet. Calculate the average force exerted on him
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