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Two earth satellites are in parallel orbits with radii 6701 km and 6700 km. One day they pass each other, 1 kilometer apart, along a line radically outward from the earth. Find how long will it be until they are again 1 kilometer apart?
a ball of mass 20 kg moves with a velocity of 2 ms along the x axis call it ball a. it collides with a ball of mass 12
A parallel-plate air capacitor of area A= 19.0 cm2 and plate separation d= 2.80 mm is charged by a battery to a voltage 58.0 V. how much additional charge will flow from the battery onto the positive plate
The near point of a naked eye is 30 cm. When an object is placed at the near point and viewed by the naked eye, it has an angular size of 0.062 rad. A magnifying glass has a focal length of 17 cm, and is held next to the eye.
In reality, the COP of the heat pump will only be 60 percent of the ideal value. What is the minimum power of the electric motor when the COP is 60 percent of the ideal value
An air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 5.00 ?F. evaluate the dielectric constant of the inserted material
Sunlight is used in a double-slit interference experiment. The fourth-order maximum for the wavelength of 470 nm occurs at an angle of θ = 90°. Thus, it is on the verge of being eliminated from the pattern since θ cannot exceed 90°.
A transmission line that has a resistance per unit length of4.5*10^-4 ohms/meter is to be used to transmit 5.00MW over 400miles (6.44 *10^5m). WHat fraction of the input power is lost to the line underthese circumstances
two speakers one directly behind the other are each generating a 235-hz sound wave. what is the smallest separation
The speed of a light wave in a certain transparent material is 0.669 times its speed in a vaccum. Which is 3.00 * 108 m/s. what is its wavelength in nanometers
A 100 kilogram man is 3/4 of the way up a 10 meter ladder that is resting against a frictionless wall. Determine the normal force of the floor on the ladder
On the planet Newtonia, a simple pendulum having a bob with a mass of 1.25KG and a length of 188.4CM takes 1.55S, What is the mass of the planet Newtonia
A conducting sphere that carries a total charge of +11 µC is placed at the center of a conducting spherical shell that also carries a total charge of +11 µC, Determine the charge on the inner surface of the shell
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