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A uniform line charge of linear charge density l = 5.00 nC/m extends from x = 0 to x = 10 m. The magnitude of the electric field at x = 12 m is
a. 3.86 N/C
b. 9.62 N/C
c. 15.3 N/C
d. 18.8 N/C
e. 37.5 N/C
A plane flies from base camp to Lake A, 280 km away in the direction 20° north of east. After dropping off supplies it flies to Lake B that is 190 km at 30° west of north from Lake A. Graphically find out the distance and direction from Lake B to ..
Force from crutches. A patient with a broken leg stands using a pair of crutches. The crutches support 75% of the 81 kg patient's weight. Find the force each crutch applies to the patient
In 2000, NASA placed a satellite in orbit around an asteroid. Consider a spherical asteroid with a mass of 1.00×1016kg and a radius of 9.90km, What is the escape speed from the asteroid
35g of copper pellets are removed from a 300C oven and immediately dropped into 80ml of water at 24C in an insulated cup. What will the new water temperature be
A spring is oscillating with a frequency of 1.7Hz. 3.9 seconds after the spring is released it is -20cm from equilibrium. Find the amplitude of the spring
A satellite in Earth orbit has a mass of 106 kg and is at an altitude of 1.94 106 m.(Assume that U = 0 as r ? infinity), What is the potential energy of the satellite-Earth system
A cubic box of volume 4.2 multiplied by 10-2 m3 is filled with air at atmospheric pressure at 20°C. What is the net force on each side of the box
Each cable has a length of l = 2.90 m. Illustrate what is the tension T in each of the cables? Use 9.80 m/s2 for the magnitude of theacceleration due to gravity.
Explain by how much does the potential energy of a 23.0-kg child increase when the child climbs a normal staircase to the second floor?
If the velocity of a 3.0 kg body changes from v1= (3.0î , 5.0j) m/s to v2= (0î, 7.0j) m/s in a time interval of 2.0s. What is the impulse delivered to the body
At a distance of 4.32m from a siren, the sound intensity is 3.75 x 10-2 W/m2. Assume that the siren radiates sound uniformly in all directions; find out the total power radiated.
An open train car, with a mass of 2130 kg, coasts along a horizontal track at the speed 2.41 m/s. The car passes under a loading chute and, as it does so, gravel falls vertically into it for 2.59 s at the rate of 489 kg/s. What is the car\'s speed af..
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