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Two point charges are located close to each other. One charge has a magnitude of + 9.5 µC and is located at the origin. The other charge has a magnitude of + 5.9 µC and is located at the position x = 1.26 m, y = 1.49 m. Calculate the potential energy of this system of charges.
If a iron core of a collapsing star initially spins with a rotational frequency of fo=3.4 per second and the core radius decrease during the collapse by a factor of 24. what is the rotational frequency of the iron core at the end of collapse
A piece of balsa wood of 0.3 g/cm3 is released after being completely submerged underwater. What is the magnitude of the initial acceleration of the wood
What is the value of g at the location of this satellite. Discover the altitude of the satellite in meters.
Figure 13-46 shows four particles, each of mass 30.0 g, that form asquare with an edge length of d = 0.700 m.If d is reduced to 0.400 m, what is the change in the gravitational potential energy of the four-particle system?
A sound pulse has a power of 893.1 watts. It is radiating outwards from a point and at the time of observation is a radius of 7861.6 m from that point
a 100kg person sits 2.0m from the pivot on a seesaw. a second person sits 3m from the pivot on the opposite side. What is this persons mass
In a certain experiment, a radio transmitter emits sinusoidal electromagnetic waves of frequency 105.0 in opposite directions inside a narrow cavity with reflectors at both ends, How far apart are the nodal planes of the magnetic field
Waterslides are nearly frictionless, hence can provide bored students with high-speed thrills. If Kevin is clocked at 25 m/s at the bottom of the slide, find the work done on him by friction
During a game of football, the ball is kicked by the punter with a speed of 20m/s at an angle of 40 degrees above the horizontal. A player on the other team, standing 50m away, starts running to catch the ball immediately after it is kicked. ASsu..
A raft is 4.4cm wide and 6.2m long. When a horse is loaded onto the raft, it sinks 2.7cm deeper into the water. What is the weight of the horse
question a diffraction pattern forms when light passes through a single slit. the wavelength of the light is 618 nm.
You shine violet light through a diffraction grating (200 lines/cm) on a screen 2.0 m from the grating. The width of the light beam is 0.15 mm. How many slits will the light pass through
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