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When you blink your eye, the upper lid goes from rest with your eye open to totally covering your eye in a time of 0.024s.
a. Estimate the distance that the top lid of your eye moves through a blink.
b. What is the acceleration of your eyelid? Assume it to be constant.
c. What is your upper eyelid's final speed as it hits the bottom eyelid?
A college campus features a large fountain surrounded by the circular pool. Two students start at the northernmost point of pool and walk slowly around it in opposite directions.
Consider a generator with a 300 turn coil on its armature and a uniform magnetic field of 4.6 T. The diameter of the coil is8.0 cm, In order to generate 385 VRMS, how fast do we need to rotate the coil
A hoop is rolling with-out slipping along a horizontal surface at 11 m/s, Evaluate what is the speed of the hoop after it has rolled 6.00m up the ramp
A magnetic field is perpendicular to a 0.0409 m x 0.0585 m rectangular coil of wire that has 115 turns, What is the magnitude of the change in the magnetic field
A glass rod is initially neutral. It is then rubbed against a silk cloth. Afterwards, the rod has a charge of +5.0 C, How many electrons did the glass rod lose or gain
Calculate the magnetic moments that are possible for the n=3 level of Hydrogen, making use of the quantization of angular momentum. You may neglect the existence of spin. Compare this with the Bohr prediction for n=3.
A sphere with radius 0.185m has density p that decreases with distance r from the center of the sphere according to p=3250 kg/m^(3) - (8750 kg/m^(3))r. Find total mass of the sphere
You are on the tilt-a-whirl ride and it begins to spin. Model the ride as all the mass at a radius of 1.60 m. The mass of the ride with people is 230.0 kg. What is the moment of inertia of the ride
A harmonic wave has a frequency of v = 40 Hz and a wavelength of 7m. The wave obtains a maximum displacement of Ym = 1.7m, How fast is the wave traveling
an ideal gas in a container is at a temperature of 89.8degc. what is the average translational kinetic energy of a gas
A cylindrical beaker of height 0.100 and negligible weight is filled to the brim with a fluid of density = 890 . When the beaker is placed on a scale, its weight is measured to be 1.00 .(Figure 1)
the angular momentum of a spinning wheel is 235kg. after application of a constant braking torque for2.0s it slows and
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