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A map shows city C to be 65 miles in a direction 22o west of north from city D. This same map shows city E to be 228 miles in a direction 36o east of south from city C. Suppose the earth is flat.
(a) Draw a picture representing the problem.
(b) Find what is the displacement (magnitude and direction) from city E to city D?
On a day when the wind is blowing toward the south at 1.2 m/s a runner jogs west at 1.6 m/s. What is the velocity (speed and direction) of the air relative to the runner
A rock appears to be 7m below the surface of a lake, whenviewed directly from above. What is the actual depth of the rock
A block by mass M stays at rest in an incline surface without friction. It's attached by a string to a wall. What is the magnitude of tension T of the string?
A student throws a set of keys 4.4m up to friend in window. the friend catches the keys 1.7s later. what is the intial velocity
A swimmer swims across the river and reaches the opposite shore directly across from where he started. How long does it take the swimmer to reach the opposite shore
Assume that you hear a clap of thunder 16.9 s after seeing the associated lightning stroke. The speed of sound waves in air is 343 m/s and the speed of light is 3.00 X 10 8 m/s. How far are you from the lightning stroke?
A square coil and a triangular coil each have sides of length L.The triangular coil has twice as many turns as the square coil. If a the same current is sentthrough each coil, when the coils are placed in the same uniform magnetic field making an ..
Jack and John are standing 6m apart from each other playing soccer. Jack kicks the ball to John and John kicks it back immediately. find the speed of the ball when it's kicked back to Jack
In a region where there is an electric field, the electric forces do +8.00x 10^-19 J of work on an electron as it moves from point X to point Y.What is the potential difference, VY - VX, between point Y and point X?
A satellite with 2 rectangular solar cells wings with A=60m2, when the wings normally face the sun with an intensity I=1200 W/m2, how much force on the satellite due to the sunlight
Valerie is able to do 1200 joules of work in 10seconds. Brett is able to do 5000 joules of work in 50 seconds. Who is more powerful.
One end of an insulated metal rod is maintained at 100 and the other end is maintained at 0.00 by an ice-water mixture. Find the thermal conductivity of the metal
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