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An object with a charge of -3.0C and a mass of 1.7×102kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to its weight.
Part A discovers the magnitude of the electric field.
Parts B discover the direction of the electric field.
Part C If the electric charge on the object is doubled while it’s mass remains the same, discover the direction and magnitude of its acceleration.
Part D If the electric charge on the object is doubled while it’s mass remains the same, discover the direction and magnitude of its acceleration.
a curve in a road forms part of a horizontal circle. as a car goes around it at constant speed of 14m/s the horizontal total force on the driver has magnitude 147n, find the total horizontal force at the same curve
A michelson interferometer is used with a helium-neon laser of wavelength 628.8 nm. A glass-walled chamber of interior length 1.005 cm is placed in one of the beams and the position of the mirror is adjusted until bright light is observed at the dete..
Three, and only three, bright fringes can be seen on either side of the central maximum when a grating is illuminated with light ( = 430 nm)
A 1.6 mL syringe has an inner diameter of 5.8 mm, a needle inner diameter of 0.25 mm, and a plunger pad diameter (where you place your finger) of 1.0 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100.
A 120.0 volt motor draws a current of 5.60 A when running at common speed. The resistance of the armature wire is 0.790. Decide the back emf generated by the motor. What is the current at the instant when the motor is now turned on and has not begun ..
What does halving the frequency of a wave do to the other properties of a wave, like speed, amplitude, wavelength, period, etc.) Describe what happens to the wavelength, frequency, and spped of a wave as it moves from glass to air.
Cloverleaf exits are approximately circular. A 740 kg automobile is traveling 60 mph while taking a cloverleaf exit that has aradius of 44.5 m. Calculate the centripetal acceleration of the car and the centripetal force on the car
A cannon is fired horizontally with a velocity of 35.0 m/s from a height of 10 meters. With what total velocity does it strike the ground
A vinyl record plays at 33.3 rpm. Assume it takes 9 s for it to reach this full speed, starting from rest. What is its angular acceleration during the 9 s?
A neutral pie-meson is particle that can be created by accelerator beams. what is its velocity relative to the laboratory
Some sliding rocks approach the base of a hill with a speed of 18.0m/s. Find the acceleration of the rocks as they slide up the hill
A rocket in a fireworks display explodes high in the air. The sound spreads out uniformly in all directions. The intensity of the sound is 4.33 x 10-6W/m2 at a distance of 112 m from the explosion. Discover the distance (in m) from the source at whic..
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