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Solve the all parts of following question:
Question: Global positioning satellites (GPS) can be used to determine positions with great accuracy.
Part I: If one of the satellites is at a distance of 20,000 km from you, what percent uncertainty in the distance does a 4m uncertainty represent?
Part II: How many significant figures are needed in the distance?
I need help to find how many significant figures are needed in the distance.
A dentist's drill starts from rest. After 3.00s of constantangular acceleration it turns at a rate of 2.20 x 10^4rev/min. Find the drill's angular acceleration in rad/s^2
A 38.00 kg girl is bouncing on a trampoline. All throughout a certain interval after she leaves the surface of trampoline, her kinetic energy decreases to 185J from 425J. How high does she rise all through this interval? Avoid air resistance.
Calculate the electric force Fe between a stationary proton and uranium nucleus...separated by a distance of 3.6 nm, determine the intial acceleration of the proton
An elephant that has a mass of 7000 kg evenly distributes her weight on all four feet. estimate the pressure on each foot
What is the frequency of the string.
A 55 kg engineer leaves her office on the 33rd floor of askyscraper and takes an elevator to the 59th floor. Later shedescends to street level. what is the engineer's potential energy
A power plant operates at a 33.0% efficiency during the summer when the seawater used for cooling is at 20.0°C. what would be the plant's efficiency in the winter
consider two blocks of wood, one having mass of 1 kg and the other having a mass of 2 kg. What is the net force of the bottom block
A street lamp weighs 150N. It is supported by two wires thatform an angle of 120 degrees with each other.The tensions in thewires are equal. find the tension in each wire supporting the street lamp
Two identical guitar strings are prepared such that they have the same length (1.91 m) and are under the same amount of tension, What is the wave propagation speed on the guitar strings
A cargo helicopter, descending steadily at a speed of 3.6 m/s, releases a small package. how long does it take for the package to reach the ground
A boy in a moving bus at +6 m/s observes a car moving at -3 m/s. What is the actual velocity of the car
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