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Question: A planet moves in a circle around a massive star. If the planet is 7.2 x 1010 m from the star, and the planet orbits the star in 67 days (5.79 x 106 s),
Question 1: What is the mass of the star?
Pleas show all work and steps to determine the mass of the star.
An automobile can be considered to be mounted on four identicalsprings as far as vertical oscillations are concerned. The springsof a certain car are adjusted so that the oscillations have afrequency of 2.62 Hz.
A uniform electric field exists in the region between two oppositely charged plane parallel plates. Find the magnitude of this electric field
a ball is rolled off a table with an initial horizontalbelocity of 1.8 m/s. how long does it take for the ball to land in the box
An object is made of glass and has the shape of a cube 0.11 m on a side, according to an observer at rest relative to it. What is the moving observer's speed (in units of c) relative to the cube
A car traveling at 26mi/h is to stop on a 39m long shoulder of the road. How much time will elapse during this minimum deceleration until the car stops
The level of the liquid surface in the tank can be calculated. If the pressure on the gage is 20 kPa, Determine the depth d of liquid in the tank?
a special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at
galvanometer with a coil resistance of 14.7 is used with a shunt resistor to make a nondigital ammeter that has an
the motor in a refrigerator has a power output of 200w. if the freezing compartment is at 270k and the outside air is
A loundspeaker diaphragm is producing a sound for 2.1 s by moving back and forth in a simple harmonic motion. How many times does the diaphragm move back and forth
A bug crawls outward from the center of a compact disc spinning at 160 revolutions per minute. The coefficient of static friction between bug's sticky feet and disc surface is 1.10.How far does the bug get from the center before slipping.
A railroad car of mass 2.54 x 104 kilogram is moving with a speed of 3.88 m/s. It collides and couples with three other coupled railroad cars, Obtain the speed of the four cars after the collision
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