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The deflection plates in an oscilloscope are 10cm by 2cm with a gap distance of 1mm. A hundred volt potential difference is suddenly applied to the initial uncharged plates through a 1000 ohm resistor in series with the deflection plates. How long does it take for the potential difference between the deflection plates to reach 95 volts.?
A 60·kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 340·N. What is the final speed of the crate
A person pushes a 14.0-kg lawn mower at constant speed with a force of F=88.0 N directed along the handle which is at an angle of 45.0 degrees to the horizontal. Calculate the kinetic friction coefficent
A man is riding in a cart with mass M at speed v along a frictionless horizontal surface. what is the mass of the man
A 0.15g honeybee acquires a charge of 21pCwhile flying, What is the ratio of the electric force on the bee tot he bee's weight and What electric field strength and direction would allow the bee to hang suspended in the air
The specific heat of ice to is 2100 and the heat of fusion for ice is . How much time passes before ice starts to melt? From the time while the heating begins, how much time does it take before the temperature begins to rise above 0.
A 65kg ice skater standing on frictionless ice throws a .15 kg snowball horizontally at a speed of 32m/s. At what velocity does the ice skater move backwards
A simple pendulum is 4.00 m long. What is the period of small oscillations for this pendulum if it is located in an elevator accelerating upward at 2.00 m/s2
a 15.0-v battery is attached to a 1.50-mf capacitor and a 160-? resistor.a once the capacitor is fully charged what is
A 1 kg wheel (hoop) rolls 5 rev. across a horizontal surface (without slipping)a distance of 3.2 m. if the wheel rolls for 3 sec. determine the angular velocity of the wheel
A vibration platform oscillates up and down with an amplitude of 9.2 cm at a controlled variable frequency. At what frequency will the rock just begin to leave the surface
The rails are laid on a winter day when their temperature is 1.8°C. (a) How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 32.2°C
A cylinder contains 1.85 mol of helium gas at 18.5°C. Assume that the helium behaves like an ideal gas. What is the average kinetic energy per molecule
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