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A butcher throws a cut of beef on spring scales which oscillates about the equilibrium position with a period of T = 0.500 s. The amplitude of the vibration is A = 2.00 cm (path length 4.00 cm). Find:
a. frequency
b. the maximum acceleration
c. the maximum velocity
d. the acceleration when the displacement is 1.00 cm
e. the velocity when the displacement is 1.00 cm
f. the equation of motion as a function of time if the displacement is A at t = 0
for an electron in a molecular box of length 1.2 nma. calculate the zero-point energy zpe.b. calculate the wavelength
What is the magnetic field at the center line of a linear solenoid of diameter D=0.125 m that is 1.00m long and carries current I=1.25 A? This solenoid has N=625 loops of copper wire.
an electric field of 210000 nc points due west at a certain spot. what is the magnitude of the force that acts on a
A charged particle (Q = 80 C, m = 0.08 kg) moves at a speed of 40 m/s perpendicular to a uniform magnetic field of 0.04 T. What is the acceleration of the particle
Determine (1) the vertical component of the average impulsive force exerted by the ground on his foot. (2) the horizontal frictional force. The mass of the athlete is 100kg and the coefficient of kinetic friction (μk) is 0.1.
copper has 8.5 x 10^28 electrons per cubic meter. a 12-gauge copper wire is 25.0cm in length and 2.05mm in diameter. what is the average drift speed of the electrons along the wire
The femur is a bone in the leg whose minimum cross-sectional area is about 4.5 x 10-4 m2. A compression force in excess of 7.7 x 104 N will fracture this bone. Bone has a compression Young's modulus of 9.4 x 10^9 N/m2
What is the value of the force?
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
A sphere of aluminum 11.3 cm in diameter is suspended in oil (density = 1 grams/cm3). Find the tension in the supporting string in Newtons
Determine the magnitude and sense of the forces in bars A and B in Figure. Algebraically determine the forces in members A and B of the structure in Figure. (Note: The small triangle is another way to represent a hinge or pin connection.
A 8760-kg car is travelling at 29.7 m/s when the driver decides to exit the freeway by going up a ramp, What is the magnitude of the average drag force exerted on the car
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