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Planet-X has a mass of 4.25×1024 kg and a radius of 6050 km. What is the First Cosmic Speed i.e. the speed of a satellite on a low lying circular orbit around this planet? (Planet-X doesn't have any atmosphere.)
What is the Second Cosmic Speed i.e. the minimum speed required for a satellite in order to break free permanently from the planet?
If the period of rotation of the planet is 14.3 hours, then what is the radius of the synchronous orbit of a satellite?
Two point charges, q1 = 2.0 pC and q2 = -2.0 pC, are separated by 5.6 µm. 1) What is the dipole moment of this pair of charges?
A 380-kg sailboat has an acceleration of 0.636 m/s2 at an angle of 65.5 ° north of east. Find the direction of the net force that acts on the sailboat
A container of volume V is divided by partitions into three parts containing one kilomole of helium gas, Calculate the kilomole fraction and the partial pressure of each gas in the mixture
A car accelerates uniformly from rest and covers a distance of 71 m in 5.6 s. If the diameter of a tire is 42 cm, 1.) Find the angular acceleration of the wheel.
When in deep space, the block accelerates at 4.2 m/s^2 even as a 120 N force is applied to it. The coefficient of static friction for a particular plane and this block is 0.31. What angle can this plane make with horizontal before the object starts t..
Three equal point charges, each with charge 1.45?C, are placed at the vertices of an equilateral triangle whose sides are of length 0.650m
A spaceship of proper length 308 m takes 0.76 µs to pass an Earth observer. Determine the speed of this spaceship as measured
High-speed photos of a 200?g flea jumping vertically show that the jump lasts 1.5ms and involves an average vertical acceleration of 110 g, What's the change in the flea's momentum during its jump
A motorboat heads due east 13.3 m/s across a river that flows toward the south at a speed of 4.5m/s. Illustrate what is the magnitude of the resultant velocity relative to an observer on the shore?
What was the initial negative charge on one of the spheres, and what was the initial positive charge on the other?(Hint: Use charge conservation and solve for one of the initial charges. You will end up with a quadratic equation. The solutions giv..
A 76 W light bulb with a resistance of 178 ? is connected to a power supply with a 117 V, What is the internal resistance of the power supply
You are testing a new amusement park roller coaster with an empty car with mass 123 kg. One part of the track is a vertical loop with radius 11.1 m, how much work is done by the friction
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