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Q. how is the graph of the total volume of a bathtub when the water inflow rate follows a seesaw pattern for half of the time and the same pattern for outflows on the other half?
Q. A charge moves a distance of 1.0 cm in the direction of a uniform electric field having a magnitude of 239 N/C. The electrical potential energy of the charge decreases by 61.2329 × 10-19 J as it moves. Find the magnitude of the charge on the moving particle.
Find out parametric equations for the shell's trajectory relative to the coordinate system. What is the maximum distance at which these headlights could be resolved as separate points of light on a photograph taken with a camera whose aperture has a ..
A major league pitcher can throw a baseball in excess of 41 m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches a catcher who is 17m away from the point of release.
The wind blows with a force of 425N north on a sail boat, while the water exerts a force of 325N west on the sailboat. Find out the magnitude and direction of the net external force on the sailboat.
A 13 kg bucket of water of is suspended by a rope wrapped around a windlass that is a solid cylinder 0.400 m in diameter with mass 14.0 kg. The cylinder is pivoted on a frictionless axle through its center.
A soccer ball of diameter 30 cm rolls without slipping at a linear speed of 2.7 m/s. Through how various revolutions has the soccer ball turned as it moves a linear distance of 16 m.
A helicopter is rising at 4.60 m/s when a bag of its cargo is dropped. The bag falls for 2.50 s. (suppose that the positive direction is upward.)
An airplane is flying with a velocity of 81.0 m/s at an angle of 24.0^circ above the horizontal. When the plane is a distance 108m directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
What is the least thickness of a soap bubble film (n = 1.38) on which light of wave length 610nm shines, assuming one observes constructive interference of the reflected light.
A block of mass M is held motionless on a frictionless inclined plane by means of a string attached to a vertical wall as shown in the diagram.what is the magnitude of the tension t in string.
Two children setup a "telephone" by placing a long, slender aluminium (Y = 6.9 × 1010 N/m2) bar that has a length of 6.1-m between their two houses. To communicate, the child taps a coded message on one end. How long do the sound waves take to reach ..
An asteroid is discovered heading straight toward Earth at 13 km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 min, after which the asteroid is moving at 26 degree to its original path at..
A 27 pound meteorite struck a car, leaving a dent 21 cm deep in the trunk. If the meteorite struck the car with a speed of 500 m/s, what was the magnitude of its deceleration, assuming it to be constant.
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