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A body of mass 4 kilogram moves in a plane, its position vector is given by r=iAsinωt+jAcos2ωt.
(i) Draw the part of the body in the x-y plan and
(ii) Determine the force acting on the body.
a duck and a guy named john are sitting on opposite sides of a large merry go round that is rotating clockwise. Describe the motion of the coconut viewed by the students
On planet X, the absolute pressure at a depth of 2.30 m below the surface of a liquid nitrogen lake is 5.50×10^5 N/m^2. What is the atmospheric pressure on planet
Every of the eight conductors in Figure 29-68 carry 2.70 A of current into or out of the page. Two paths are indicated for the line integral. What is the value of the integral for (a) path 1 and (b) path 2?
A softball player swings a bat accelerating it from rest to 2.6 rev/s in a time of .20s. compute the torque the player applies to one end of it
a certain heat pump has a cop of 5.1 while operating in both heating and cooling mode.suppose the heat pump operates in
you want to get an idea of the magnitude of magnetic fields produced by overhead power lines. you estimate that a
A solid sphere is released from rest and allowed to roll down aboard that has one end resting on the floor and is tiltedat 39° with respect to the horizontal. what is the sphere's speed when it reaches the lowest end of the board
an escalator in a shopping center is designed to move 33 people 78 kg each at a constant speed of 1.1 ms at 45 degree
light from a helium - neon laser is shinedon a slit of width 0.02mm. Describe qualitatively the pattern of light seen on ascreen 1.0 meter away. and how would the pattern be different if the slit were 0.06mmwide instead of 0.02mm?
A 3.50 %u03BCC point charge is placed at the center of a conducting spherical shell. What is the surface charge density (C/m2) on the outer surface
A firefighter mounts the nozzle of his fire hose a distance 36.9 m away from the edge of a burning building so that it sprays from ground level at a 45° angle above the horizontal. By what factor was the nozzle diameter changed
A 2.0 ð‘˜ð‘" package is released on a frictionless ramp inclined 53.1 ° above the horizontal, What is the speed of the package just as it reaches the spring
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