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Compute all parts of given question:
Question: A vector has components Ax = 55 m and Ay = 32 m.
Part A: Find the length of the vector A?
Part B: Find the angle it makes with the x axis?
I'm working on this above question out of my book and I'm come to a question that I'm very confused on. Please help.
The orbital speed of a planet about its star is 2.8 104 m/s and its distance from the star is 1.6 1011 m. What is the magnitude of the force exerted by the star on the planet
A 280g wood block is firmly attached to a very lighthorizontal spring. how far beyond its equilibrium position will it stretch at its firstmaximum extension
A transformer connected to a 125 V (rms) ac line is to supply 12000 V (rms) for a neon sign. What current rating should the fuse in the primary circuit have
A scientist changes the frequency of an incident X-ray to 4.50e19 Hz and measures the deflected X-ray frequency of 4.32e19 Hz. What was the angle of deflection
A casette player is said to have a signal-to-noise ratio of 58 dB, whereas for a CD player it is 95 dB. What is the ratio of intensities of the signal and the background noise for each device?
A sports car traveling along a straight line increases its speedfrom 19.7 mi/h to 59.7 mi/h. What is the ratio of the final to the initial magnitude of its momentum?
How fast should a car move toward. A cardinal (Richmondena cardinalis) of mass 3.90×10-2 and a baseball of mass 0.144 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's moment..
A meter stick of aluminum is bent at its midpoint so that the two halfs are at right angles and the midpoint is at the origin of the x,y coordinate system
a an ionization chamber is used with an electrometer capable of measuring 50microa. calculate the rate at which
A projectile of mass 0.1kg travelling horizontally through the air with speed v(t) experiences a drag force D(t) whose magnitude is given by: D(t)=0.001[v(t)]^2. Calculate the speed of the projectile
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons, while a nitrogen-14 nucleus comprises seven protons and seven neutrons.
A viscous fluid is flowing through a small tube at a rate of 2.00 × 10-4 m3/s. what is the rate of flow of the fluid
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