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Inside the house where the temperature is 20C, we measure the length of an aluminum rod with a micrometer made of steel, find the length of the cold rod according to the cold micrometer
A parallel-plate capacitor is to be constructed by using, as a dielectric, rubber with a dielectric constant of 3.20, What is the minimum area the capacitor plates can have
A plastic bar that is 20 cm long passes a total charge of 5.0 nC distributed evenly along its length, Find the x component of the electric field at point (0.0m,0.10m)
A spring loaded ballistic pendulum gun requires an increasing force to load, Calculate the work required to load the gun
A charge Q is uniformly distributed along the x axis, what is the electric potential (relative to zero at infinity) at the point, x = 8.0 m, on the x axis,
A capacitor that is initially uncharged is connected in series with a resistor and a 400.4V emf source with negligible internal resistance, What is the resistance of the resistor
Explain the rule of subtracting two vectors in graphical and component representation, ow the position of an object changes in time in case of linear motion
What is the maximum distance we can shoot a dart, from ground level, provided our toy dart gun gives a maximum initial velocity of 2.78 m/s and air resistance is negligible
Two cars, A and B, travel in the same direction on a straight section of highway. A has a speed of 72.0 km/h, What is the speed of B relative to A
An infinitely long, uniformly charged line of charge with linear density lamda = .1 C/m lies a distance of .68 m from the center of a sphere with radius .23 m, What is the amount of charge inside th
A ball is thrown horizontally from the top of a building 19.0 m hight and lands 64.7 m from of the building, With what initial speed was the ball thrown
Calculate the numerical value of the capacitance of this capacitor after glycerin at 20?C completely fills the volume between the plates
Displacement d1 is in the yz plane 58.4° from the positive direction of the y axis, has a positive z component of 5.99 m, find the angle between d1 and d2
The 3.70 cm3 volume between the plates of a 444 pF parallel-plate capacitor is filled with a dielectric, Find the permittivity of the dielectric
A hockey player strikes a 166 g puck, accelerating it from rest to 48 m/s. If the hockey stick is in contact with the puck for 2.5 ms, what is the average force applied by the stick
A point charge q = -2.4 nC is initially at rest adjacent to the negative plate of a capacitor, What is the kinetic energy of the point charge just before it hits the positive plate
Two loudspeakers, 5.0 m apart and facing each other, play identical sounds of the same frequency, What is the frequency of the sound (in Hz)
you ar charged to work on reducing expenditures for a company.you think that the company can save considerable money on fuel costs by lowering the room temperature of the building for daily use, Ho
Two capacitors (C1 = 6.00 µF and C2 = 11.0 µF) are now connected in series and to a 9.00-V battery, Find the charge on each capacitor
A uranium and iron atom reside a distance R = 51.10 nm apart. The uranium atom is singly ionized; the iron atom is doubly ionized, What is the magnitude of the force on the electron from the uranium
A heavy piece of machinery is raised by sliding it a distance d = 15.0 m along a plank oriented at angle ? = 30° to the horizontal, How far is it moved vertically and horizontally
A tungsten wire has a radius of 0.086 mm and is heated from 20.0 to 1422 oC. The temperature coefficient of resistivity is ? = 4.5, How long is the wire
A bicycle wheel is rotating at 45rpm when the cyclist begins to pedal harder, What is the wheel's angular velocity, in rpm, 8.0s later
A rock is thrown vertically upward from ground level at time t = 0. At t = 1.9 s it passes the top of a tall tower, What is the height of the tower
Assuming the sun to be a blackbody with a surface temperature of 6000K, Determine the loss in solar mass per day due to this radiation