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A wildlife researcher is tracking a flock of geese. The geese fly 4.5 km due west, then turn toward the north by 45 degrees and fly another 3.5 km. How far west are they of their initial position? What is the magnitude of their displacement?
A student throws a water balloon vertically downward from the top of a building, What is the magnitude of its velocity after falling 10.1m and What is its speed after falling for 2.20s
A shopper walks from the door of the mall to her car 250m down the line of cars, and then turns 90 degrees to the right and walks an additional 60 meters. What is the magnitude of the displacement of her car from mall door.
A 5.63 kg crate slides on a horizontal surface. The coefficient of kinetic friction between the surface and the crate is 0.383. estimate the magnitude of the external force acting on the crate
A solid copper ball with a diameter of 3.10 m at sea level is placed at the bottom of theocean, at a depth of 10.0 km. how much does the diameter of the ball decrease
General information about the use of intensifying screens in radiology, and how films intended for use with intensifying screens differ from non-screen films. Describe the image receptor response curve for CR
A non-conductor sphere of radius a has a negative chargedistribution given by the function p = -c / r2 where cis a positive constant with units of C/m) calculate the charge on the spher.
A metal rod 0.50 m long moves with a speed of 2.0 m/s perpendicular to a magnetic field. what is the strength of the magnetic field
A source of sinusoidal electromagnetic waves radiates uniformly in all directions. What is the electric-field amplitude at a distance of 30.0cm from the source
use the inverse square law to display that in space shuttle territory, 200 kilometers above earth's surface, the force of gravity on a shuttle is about 94 percent of that at earth's surface.
Briefly describe the solar evolution time-line of a common star like our own from formation through collapse. Main Sequence stars can be classified according to which characteristics? What are the characteristics of our Sun?
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The acceleration free-fall on the moon is 1/6 of its value on earth
A television screen is illuminated using a beam of electrons traveling at 7.50×106 m/s in a 1.75×10?2 T magnetic field. find the direction of the acceleration of the electron
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