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A charged proton particle is moving rightward between two parallel charged plates separated by distance d= 6.60mm. The plate potentials are V1= -67.0 v and V2= -48.0v. The particle is slowing from an initial speed of 97.0 km/s at the left plate. What is its speed just as it reaches plate 2?
A thin spherical, conducting shell of radius R is mounted on an isolating support and charged to a potential of -799v. An electron is then fired directly toward the center of the shell, from point P at distance r from the center of the shell, ( r is greater than R). What initial speed vo is needed for the electron to just reach the shell before reversing direction?
What is the electron potential energy in joules of of two electrons separated by 2.33nm? And what would it be if the separation was doubled?
In a shape of a square is a charge of four particles on each corner of the square.
In the order of positive, negative, positive, negative. How much work in joules is required to set up the four charge configuration if q= 1.62pC, a= 77.1cm, and the particles are initially infinitely far apart and at rest?
A 15 kg box is pulled horizontally by a 20 N force on a frictionless surface. What is the change in kinetic energy of the box
Two radio waves are used in the operation of a cellular telephone. To receive a call, the phone detects the wave emitted at one frequency by the transmitting station or base unit. determine the difference between the two frequencies used in the ope..
A steel ball by mass 40.0 g is dropped from a height of 3.20 m onto a horizontal steel slab. The ball rebounds to a height of 1.30 m. Compute the impulse delivered to the ball through impact.
two parallel plates are held at potentials of 189.0 v and -98.0 v. the plates are separated by 1.19 cm. a find the
a hydraulic press consists of two vertical cylinders of circular cross-sectional areas 6cm2 and 120cm2 that are joined
A yacht is traveling where there is a current of .20 m/s east. To avoid some offshore rocks, the yacht must clear buoy that is NNE (22.5o) and 3.0 kilometer away. determine at what angle should the yacht head
A toy car of mass 2kg is moving to the right with speed 4m/s. Another toy car of mass 6kg is moving to the left with speed 5 m/s. How much kinetic energy is lost in the collision
a uniform line charge of linear charge density l 5.00 ncm extends from x 0 to x 10 m. the magnitude of the electric
During a fun run a girl runs for 12 s moving 2.7 m/s. She then accelerates at 0.5 m/s^2 over the next 25 m. she then runs at her new speed for 10s. What distance did she cover during the entire period?
Two uniform spheres of mass 75 kg are fixed at 14 cm( along the y-axis) and 20 cm (along the x-axis). What is the initial acceleration of a uniform sphere of mass 5 kg if released from rest at the origin?
When an objectis placed 132cm from diverging thin lens, itsimage is found to be 66 cm from the lens. find Where is the image of the object now
two metal objects have net charges of 81 pc and -81 pc which result in a 26 v potential difference between them. a what
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