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Determine how long does it take electrons to get from a car battery to the beginning motor? Suppose the current is 370 A and the electrons travel via a copper wire having cross-sectional area
Approximate the capacitance of the cell by supposing the membrane surfaces act as parallel plates. Compute the charge on the surface of the membrane.
(i) The capacitance (ii) The maximum voltage which can be applied to the capacitor
Determine the maximum charge when porcelain is employed between the plates rather than air.
A certain storm cloud consists of a potential difference of 1.50 x 108 V relative to the tree. When, throughout a lightning storm, 45.0 C of charge is transferred via this potential difference and 1
A parallel-plate capacitor consists of capacitance 5.00 µF. (i) Determine how much energy is stored in the capacitor when it is joined to a 9.00 V battery?
It is found that after switch is closed the circuit oscillates at the frequency of 1 kHz however that an oscilloscope represents that 0.1 seconds after the switch was closed the amplitude of the cu
Determine what speed would such a block have when pushed horizontally 101 m all along a frictionless track by such a laser?
determine how far on the left from where the rod is suspending should the object be positioned to put the rod in equilibrium.
Determine how much energy is required to eliminate (i) a neutron or (ii) a proton from the nucleus 16/8 O?
A car of 2000 kg rolls 50 meters down a frictionless 10 degree incline. When there is a horizontal spring at the end of the incline, determine what spring constant is needed to stop the car in a dis
Let, consider a 1.8 m tall man standing vertically in the water and fully submerged in a pool. Find out the difference between the pressures acting at the head and toes of the man in kPa.
Assume that the cannon is then unbolted from the earth, and no external force hinders its recoil. Determine what would be the velocity of a shell fired by these loose cannon?
The two equipotential surfaces surround a +5.10 x 10-8-C point charge. Determine how far is the 170 V surface from the 78.0 V surface?
To complete a circuit you require a 45 ohm resistor. Unluckily you can only find out a box of 20 ohm resistors. Represent how to wire some of these altogether in order to obtain a net resistance of
When the padding brings her to a stop in a time of 0.52 s, determine the average force on her body due to the padding throughout that time interval?
A block of 1.0 kg is moving to the right at 1.0 m/s just prior to it hits and sticks to a 2.5 kg block primarily at rest. Determine the net momentum of the two blocks after the collision?
When the cannon plus car encompass a mass of 5.4 x104 kg, determine the recoil speed of the car when it was at rest before the cannon was fired?
At the bottom of hill the terrain levels out. As the man reaches the horizontal part, he grabs a 20 kg backpack and skis off a 2.0 m high ledge. Determine at what horizontal distance from the edge o
On the screen, the red light having a wavelength of 720 nm is separated from the violet light having a wavelength of 403 nm by 6.20 mm. Determine the separation of the two slits?
A lecturer is explaining two-slit interference having sound waves. The two speakers are employed, 1.3 m apart. The sound frequency is around1200 Hz and the speed of sound is around 343 m/s. Students
The mallet consists of a mass of 1155 g. Determine how fast is the astronaut moving after he throws the mallet?
Determine the maximum value the coefficient of kinetic friction among the bookcase and the floor can encompass when the bookcase is not to tip over while being pushed?
A phonograph turn-table rotating at 0.75 revolutions per second slows down having constant angular acceleration and stops in 30 seconds. Determine the magnitude of the angular acceleration in rad/s^