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The photogate measures speed by timing how long it takes for a "flag" to block an infrared beam of light.
You measure the "flag" to be 2 cm long with a vernier caliper that has an uncertainty of 0.01 cm.
The Capstone software tells you that the velocity of the flag was 5.714 m/s and it can measure time with an uncertainty of 0.1 ms.
How long was the flag blocking the beam? What is the uncertainty in that velocity?
A proton travels with a speed of 4.90 106 m/s at an angle of 57° with the direction of a magnetic field of magnitude 0.160 T in the positive x-direction. determine the magnitude of the magnetic force on the proton
Monochromatic blue light that has a frequency of 6.5e14 Hz is traveling through a piece of flint glass (n=1.66). what angles incidence result in total internal reflection
a 1.5 volt battery is placed in a circuit made with a cylindrical copper wire bent in the shape of a right triangle
In a wire of radius R = 3.40 mm the magnitude of the current density is J = Ar/R, where r is the radial distance out from the central axis. What is the total current in the wire
You need to connect a 43k\Omega resistor and one other resistor to a 110 \rm V power line. what should be the value of the unknown resistor
a person of mass Mp is standing in an elevator of Me suspended from the top of a building by a spring with spring constant k. what is the equilibrium constant of the spring
Provide rationale.
A 5000 kg truck is parked on a 7.0 degree slope. How big is the friction force on the truck
A child is sitting on the outer edge of a merry-go-round that is 18m in diameter. if the merry-go-round makes 5 rev/min, what is the velocity of the child in m/s
An automobile is traveling directly west for 16 kilometer west at 90km/h, then it travels directly south for 8 kilometer at 80km/h, Find what is the change in velocity for those trip
a glider on an air track carries a flag of length l through a stationary photo gate which measures the time interval
What is the value of the capacitance C2 that should be added to the circuit so that the circuit will have a resonant frequency that matches the generator frequency
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