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A uniform line charge of linear charge density l = 10.0 nC/m extends from x = 5 m to x = 8 m. The magnitude of the electric field at the point y = 5 m on the perpendicular bisector of the finite line of charge is
a.3.86 N/C
b.5.79 N/C
c.8.31 N/C
d.10.3 N/C
e.12.6 N/C
The isotope 218 84 Po (218.008965 u) can decay by eitheralpha or beta emission. What is the energy release in each case
A 1.0-kg mass is attached to a string wrapped around a shaft of negligible mass and having a 8.0-cm radius. A dumbbell-shaped "flywheel" made from two 0.500-kg masses is attached to one end of the shaft and perpendicular to its axis. The mass is rele..
A 910 kg sports car collides into the rear end of a 2200 kg SUV stopped at a red light. calculates the speed of the sports car at impact
A dolphin wants to swim directly back to its home bay, which is 0.760 km due west. It can swim at a speed of 4.23 m/s relative to the water, What direction should the dolphin head
Consider an object that is hot enough to glow violet blue (a peak frequency of 7.5 x 1014 Hz). What is the temperature of this object
A golf ball of mass 0.045 kg is hit off the tee at a speed of 36m/s . The golf club was in contact with the ball for 3.90×10?3s. Find the average force exerted on the ball by the golf club
given three resistors r1 2 ohms r23 ohms and r3 4 ohms. how many combinations of equivalent resistance can you have.
The length of a simple pendulum is 0.86 m and the mass of the particle (the "bob") at the end of the cable is 0.33 kg. The pendulum is pulled away from its equilibrium position by an angle of 9.0 ° and released from rest.
A jet flying at 136 m/s banks to make a horizontal circular turn. Calculate the magnitude of the necessary lifting force
An estimated 3kg-Gromit was tied to a bungee cord to clean the windows of Wendolene Ramsbottom's wool shop. If gromit stops before he reaches the ground, what is the height h of his waist above the ground at his lowest point
Moist air moves over land where the temperature is 68F and r = 0.7. Through contact with the ground the air cools. At what temperature will fog form? Consider constant latent heat of vaporization equal to 2.45 x 10^6 J/kg.
Two radio antennas are separated by 1.20m. Both broadcast identical 750 MHz waves. If you walk around the antennas in a circle of radius 20m, how many maxima will you detect.
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