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Q1. Following the procedure in the video, create three traces of the pendulum motion of the cup. Compare the three traces for amplitude, wavelength, and frequency.
Q2. A duck flying due north at 86m/x passes over Atlanta, where the Earth's magnetic field is 4.8 x 10^-5 T in a direction 21degrees below the horizontal line running north and south. If the duck has a net positive charge of 8.4 x 10^-8 C, what is the magnitude of magnetic force acting on it?
At 500°C, the diffusion coefficient of Zn in brass is 4.10-17 m2.s-1. What is the flux of Zn moving down the rod.
What is the stopping distance when the surface is dry and the coefficient of friction is 0.620.
Galaxies form by gravitational collapse of regions that are denser than average. Noting that the present day average mass density of the universe is ρ = 3 × 10-30 g/cm-3, estimate how long it takes for a galaxy to collapse.
A simple pendulum has a mass of 0.350 kg and a length of 7.00 m. It is displaced through an angle of 12.0° and then released. Solve this problem by using the simple harmonic motion model for the motion of the pendulum.
What is acceleration due to gravity
Calculate the radius of the path, direction of the force experienced by the electron and the path of the electron through the magnetic field.
Find the minimum volume of concrete (y = 23.6 kN/m3) needed to keep the gate (1 m wide) in a closed position; l = 2 m. Note the hinge at the bottom of the gate. Explain briefly.
A 0.04 kg bullet collides in elastically with a 0.5 kg ballistic pendulum. Before the collision the pendulum was at rest but immediately after collision the pendulum is moving with speed of 13.6 m/s. How fast was the bullet travelling before the coll..
Find out the longest wavelength electrons that can produce a first-order maximum.
What is the magnitude of the normal force that each brake pad applies to the rim . find the length of the meterstick as measured in frame S1 according to classical physics. Reply in units of m.
A ranger in a national park is driving at 52 km/h when a deer jumps onto the road 86 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of -2.9 m/s2.
What is the wavelength of the electromagnetic waves used for cell phone communications in the 900-MHz band?
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