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A transformer has 355 turns in the primary coil and 197 in the secondary coil.
A.) What kind of transformer is this?
B.) By what factor does it change the voltage?
C.) By what factor does it change the current? Assume 100% efficiency.
Scientists want to place a 3 × 103 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 1.8 times the radius of Mars above the surface of the planet, What is the force of attraction between Mars and the satel..
A projectile is fired vertically from Earth's surface with aninitial speed of 4.6 km/s. Neglecting air drag, how far above thesurface of Earth will it go
a double slit is illuminated with 656.3 nm light the screen is located 80 cm from the slits, calculate the fraction of the maximum intensity 0.6 cm from the central maximum
a planar slab of thickness of 5.00 cm has a uniform volume charge density of 5.20times10-2 c m3. find the magnitude of
In the figure below, two skaters, each of mass 35 kg, approach each other along parallel paths separated by 2.2 m. They have opposite velocities of 1.9 m/s each. What is the angular speed of the skaters
A 600 gram particle (initially at rest at the origin) is subjected to a force of F=15i+20j (N) which pushes the particle along a track with a displacement described by s=3i+4j (m). calculate the average power produced by this force
A 1500 kg car carrying four 87kg people travels over a rough "washboard" dirt road with corrugations 4.40 m apart which causes the car to bounce on its spring suspension. The car bounces with maximum amplitude while its speed is 19km/h. The car now s..
The springs of a 1300kg car compress 6.00 mm when its 68 kg driver gets into the driver's seat. If the car goes over a bump, what would be the frequency of vibrations.
A king orders a gold crown having a mass of 0.68 kg. When it arrives from the metalsmith, the volume of the crown is found to be 145 cm^3
A baseball is thrown at an angle of 27 degrees relative to the ground at a speed of 20.9m/s. The ball is caught 36.0231m from the thrower. The acceleration due to gravity is 9.81m/s square. Explain how long is it in the air ?
A 10.0 kg crate slides along a horizontal frictionless surface at a constant speed of 4.0 m/s. What is the speed of the crate when it arrives at the lower surface
An elevator is moving up at a constant velocity of 2.5 m/s Calculate the force the floor exerts on the passenger, Calculate the force the floor exerts on the passenger
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