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A mass of 0.4 kg, is connected to a spring with a spring constant of 100 N/m, slides on a frictionless horizontal surface in simple harmonic motion. Its maximum displacement is 0.3 m?
a. What is the maximum speed of the mass?
b. What is the energy stored in the mass/spring system when its speed is half the maximum value?
c. What is the acceleration of the mass when its speed is half the maximum value?
A swimming pool has dimensions 28m 11m and a flat bottom. The pool is filled to a depth of 2.30 m with fresh water.
At this point, person doing the laundry opens the lid, and a safety switch turns off the washer. The tub smoothly slows to rest in 11-s. Through how many revolutions does the tub turn while it is in motion.
How does the magnitude of electrical force between a pair of charged objects change while the objects are moved twice as far apart? Three times as far apart.
The internal energy of the coin
What is the magnitude of the auto average acceleration.
In extremely cold weather conditions where the inside thermostat is set to 27 C and the outside temperature is -20 C, your 1200 square ft house might lose heat through the walls at a rate of 4000 W.
The level of the liquid surface in the tank can be calculated. If the pressure on the gage is 20 kPa, Determine the depth d of liquid in the tank?
A spherical steel shell with shell thickness 10 mm rolling down the ramp without slipping.assume that the density of aluminum.
For a procedure, the enthalpy change and the entropy change of the system is 173000 J and its entropy change is 210 J/K. compute the free energy change of the system at 298 K.
The pulley is located so that the string makes a 45 degree angle with the beam. The beam is uniform, 5 meters long, and has weight. The professor stands 2 meters from the pivot point and has weight.
A U-shaped tube is open to the air at both ends and is partially filled with Mercury (density = 13,600 kg/m3). Water (density = 1000 kg/m3) is poured into the left arm until the water is 10 cm deep. How long upward from its initial position does t..
A 100-turn square wire coil of area 0.04m2 rotates about a vertical axis at 1500 rev/min, as indicated. The horizontal component of the Earth's magnetic field at the location of the loop is 2.0 × 10-5 T. compute the maximum emf induced in the coil..
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