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The dipole moment of the water molecule is 6.17 X 10^(-30) C.m. Consider a water molecule located at the origin whose dipole moment points in the +x-direction. A chlorine ion , of charge -1.6 X 10^(-19) C, is located at x= 3.00 X 10^(-9) m. Assume that is much larger than the separation d between the charges in the dipole, so that the approximate expression for the electric field along the dipole axis can be used.
A moving 4.3 kg block collides with ahorizontal spring whose spring constant is 321 N/m, What is the speed of the block when it hits the spring
when the cylinder is fully immersed does the buoyant force acting on it depend on how far below the surface of the
An electron travelling east with velocity 7.0 x10^5 m/s enters the same electric field region as in the previous problem. How far does it go before being turned backward
a firefighter with a weight of 673 n slides down a vertical pole with an acceleration of 3.05 ms2 directed downward.
Water undergoes viscous flow through two pipes with the same pressure difference between the ends. what is the flow rate through pipe 2
The ultrasonic transducer used in medical ultrasoundimaging, is a very thin disk ( m =0.10g) driven back and forth in SHM at 1.0 MHz by an electromagnetic coil.
Consider the Earth and a cloud layer 800 m above the planet to be the plates of a parallel-plate capacitor. what is the maximum charge the cloud can hold
Suppose that the magnetic field of the Earth were due to a single current moving in a circle of radius 2910 km through the Earth’s molten core. The strength of the Earth’s magnetic field on the surface near a magnetic pole is about 6.0·10–5 T. Ho..
As a baseball is being caught, its speed goes from 30 to 0m/sin about .005s. Its mass is .145kg. What is the size of the force acting on it
A flight attendant pulls her 63N flight bag a distance of 308m along a level airport floor at a constant velocity. The force she exerts is 45N at an angle of 57° above horizontal. Find the work she does on flight bag.
An automobile has a mass of 1600 kg and a velocity of 22.2 m/s. It makes a rear-end collision with a stationary car whose mass is 2310 kg. Find the impulse that acts on the skidding cars from just after the collision until they come to a halt
Suppose you have a spring-loaded projectile launcher. Aim it straight upwards, compress the spring 1 cm, then launch a projectile from rest. that it rises 20 cm above the end of the spring. If you repeat this experiment, but instead compress the s..
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