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the magnitude and direction of acceleration of body both are constant will the body moves in straight line
An office window has dimensions 3.5 m by 2.3 m. As a result of the passage of a storm, What net force pushes out on the window
two displacement vectors when added produce a resultant of magnitude 100km pointing 37° south east. find the magnitude and direction of the other displacement vector.
A thin uniform rod (mass = 0.95 kg) swings about an axis that passes through one end of the rod and is perpendicular to the plane of the swing. What is the maximum kinetic energy of the rod as it swings
A solenoid of inductance L = 50 mH has a magnetic energy U = 3 x10-4 J with a density u = 0.0042 J/m3, What is the winding density n of the solenoid
Jonathan is riding a bicycle and encounters a hill of height h. What is the total external work done on the system of Jonathan and the bicycle between the time he starts up the hill and the time he reaches the top
As a bar magnet moves toward a 150-turn coil, the magnetic field (which is perpendicular to the plane of the coil) changes from 0.25 T to 0.53 T in 0.3 s. find the magnitude of the induced current in the coil
A star with an initial radius of 1.00 108 m and period of 30.0 days collapses suddenly to a radius of1.00 104 m. Find the period of rotation after collapse
A particular guitar string is supposed to vibrate at 214 Hz, but it is measured to actually vibrate at 272 Hz. By what percentage must the tension in string be changed to get the frequency to the accurate value.
A student has two ramps, both of which are at an angle 32°. Ramp 1 is frictionless and ramp 2 has friction. The student also has two blocks, one for each ramp.
A 60 g ball is tied to the end of a 50 cm --long string and swung in a vertical circle. how far to the right does the ball hit the ground
A garden plot must have a central planting area of length 13 m and width 8 m. There is to be a sidewalk around its edge of width w. If the total area, planting area plus sidewalk area, is 150 m^2, what is the sidewalk width w in meters.
Suppose a 0.250-kg ball is thrown at 15.0 m/s to a motionless person standing on ice who catches it with an outstretched arm, Calculate the final linear velocity of the person
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