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While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 295 m east, 195 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.
___ m at ___ ° north of east
In a grocery store, a convex mirror with R= 4.0 m is used for surveillance. Suppose a person of height 1.7 m is 12 m from such a mirror. What is the size of the image
an electronically charged particle accelerates uniformly from rest to speed v while traveling a distance x show that
One force acting on a machine part is F = ( - 5.00 N) i hat+ (4.00 N) j hat. The vector from the origin to the point where the force is applied is r = (- 0.450m) i hat + (0.150m) j hat , Calculate the torque produced by this force
A long solenoid has a length of 0.72 m and contains 1395 turns of wire. find the magnitude of the magnetic field within the solenoid
A proton (charge = 1.6x10-19) travels through a magnetic field of 1.78T with a velocity of 2.3x105 m/sec. What is the magnitude of force experienced by the proton
In a mall, a shopper rides up an escalator between floors. At the top of the escalator, the shopper turns right and walks 11.72 m to a store. At what angle is the escalator inclined above the horizontal
Capacitors C1 = 3450 nF and C2 = 700 nF are initially connected in parallel and hold a combined charge of Qtoti = 783 nC. Find the total charge Qtotf and total energy stored in the final state
iven that the mass of mars is (6.4191 * 10^23 kg), the mass of a satellite is (4300 kg), what should the speed of the orbit be
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.350mm wide. The diffraction pattern is observed on a screen 3m away.
A transverse wave on a string is described by the equation y(x, t) = (2.29 cm) sin[(107 rad/s)t + (18 rad/s)x]. How fast does the wave move along the string
q. an electron is projected with an initial speed u0 1.60 x 106 ms into the uniform field between the parallel plates.
You carry a 7.0 kg bag of groceries across a 5.3 m room, where the room's flat floor is a 1.2 m above the ground. How much work do you do on the bag in the process
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