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Answer true or false.
a.) The electric field and equipotential surfaces are perpendicular
b.) The force acting on a positive charge in an external electric field is in the opposite direction as the electric field
c.) We shoot a positive charge in a region with constant electric field in a direction perpendicular to the field. The charge will deflect from its initial path in the direction of the electric field
d.) We shoot a positive charge in a region with constant electric field in a direction perpendicular to the field. The charge will have a increasing velocity in the direction perpendicular to the elctric field
e.) Two large parallel plates have equal and opposite charges. The electric field between the two plates is perpendicular to the plates and directs away from the plate with positive charge.
f.) Positive charges are attracted toward lower potential
g.) Negative charges are accelerated towards lower potential.
An athlete training for an event does 6.53 104 J of work during a workout and gives off 6.17 105 J of heat, Determine the magnitude of the change in internal energy of the athlete
Beat frequencies can be used to measure the pitch of an unknown sound even if it normally would be outside the audible range. estimate the operating frequency of brand X
A resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of 0.321 mH and the capacitor has a value of 22.4 pF. Calculate the frequency of the radio station
Establish steady-state electric field inside Nichrome wire
q1. a standardized biological microscope has an 8.0--focal-length objective. what focal-length eyepiece should be used
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A charged oil droplet falls 5.0 mm in 20.0 s at terminal speed in the absence of an electric field. What are the mass and radius of the drop
Two forces, F1=(-3.0i-4.45j)N and F2=(-2.75-5.50j)N, act on a particle of mass 1.50kg that is initially at rest at coordinates (-2.05m,3.75m). what are the components of the particles veloctiy at t=10 seconds
A 0.0500 kg cube of ice at an initial temperature of-15.0oC is placed in 0.600 kg of water at T =45.0oC in an insulated container of negligible mass. Calculate the change in entropy of the system
You ski straight down a 44.4° slope, starting from rest and traveling a distance of 12.3 m along the slope. Find your final velocity
A 0.32-kg object connected to a light spring with a force constant of 22.4 N/m oscillates on a frictionless horizontal surface. Determine the maximum speed of the object
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