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Particle A carries a charge of 5.0 uC. Particle B is 12.0cm to the east of A and carries a charge of -8.0uC. Find the magnitude and direction of the electric force on A due to B
rate at which mechanical energy is transferred to the turbine blades, assuming 60 percent efficiency.
If you place the box on a dolly of mass 5.3 {rm kg} and with coefficient of rolling friction 1.3×10−2, illustrate what horizontal acceleration would that 171 {rm N} force provide?
When a 5.5 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 29 cm from the mirror, its image is 2.8 cm tall.
A woman walks 290 m in the direction 37° east of north, then 177 m directly east. Find (a) the magnitude and (b) the angle (from due east) of her final displacement from the starting point. (c) Find the distance she walks.
Cheetahs, fastest of the great cats, can reach 45 in 2 starting from rest. Assume that they have constant acceleration throughout that time, find their acceleration (in (a) and (b) ) and the distance (in (c) and (d) ) Q2. They travel during that t..
A wrecking ball (weight = 5010 N) is supported by a boom, which may be assumed to be uniform and has a weight of 3670 N. As the drawing shows, a support cable runs from the top of the boom to the tractor.
What is modify in frequency ff - fi
A surface completely surrounds a 3.5 × 10-6 C charge. Find the electric flux through this surface when the surface is (a) a sphere with a radius of 0.59 m, (b) a sphere with a radius of 0.16 m, and (c) a cube with edges that are 0.27 m long.
The howler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 8.9 km, What is the ratio of the acoustic intensity produced by the juvenile howler to the reference intensity
The summit of a mountain 2450 m above a baseball camp is measured on a map to be 4 m horizontally from the base camp in a direction 32.4 west of the north. Illustrate what are the components of the displacement vector from the camp to the summit
At rest, a car's horn sounds at a frequency of 480 Hz. The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-third the car's speed hears a frequency of 470 Hz. What is the speed of the car?
Demonstrate that gravitational energy is not extensive: show that the gravitational energy of a sphere of radius 'r' and uniform density varies with volume V^n and find the exponent 'n'.
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