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A 3.70 kg particle has the xy coordinates (-1.36 m, 0.522 m), and a 5.25 kg particle has the xy coordinates (0.819 m, -0.792 m). Both lie on a horizontal plane. At what (a) x and (b) y coordinates must you place a 2.76 kg particle such that the center of mass of the three-particle system has the coordinates (-0.259 m, -0.663 m)?
A spring-loaded cannon is able to throw a 2.0-kg pumpkin 10 m vertically upward when the spring was initially compressed by 0.25 m. How fast is the pumpkin when it crashes into the field
A box of sand, initially at rest, is to be pulled across a floor by means of a cable in which the tension cannot be allowed to exceed 1100N. What is the weight of the sand and box in that situation
The plates of a 7.4-µF capacitor have net charges of +0.83 µC and -0.83 µC respectively. Which plate is at the higher potential
A ball is moving at 4m/s and has a momentum of 48 kgm/s. What is the ball's mass
You are standing on a sidewalk when a police car passes you traveling 25 m/s and sounding its siren. what is the frequency of the sirens on the police cars
On planet A, the value of g is 11 m/s squared. If bluber weighs 732 N on planet A, how much would he weigh on earth
If the horn acts like an organ pipe which is open on each end, what is the length of the organ pipe in cm, What is the beat frequency that you hear
When catching a baseball, a catcher's glove moves by 8 cm along the line of motion of the ball. how much work is done by the ball
The vibrations from an 720 Hz tuning fork set up standing waves in a string clamped at both ends. How long is the string in meters
A person of mass 75kg stands at the center of a rotating merry-go-round platform of radius 3.5mand moment of inertia 920kg?m2. compute the angular velocity when the person reaches the edge
The central bright fringe in a single slit diffraction pattern from light of wavelength 487 nm is 2.2 cm wide on a screen that is 1.05 m from the slit. How wide is the first bright fringe on either side of the central bright fringe
an object of unknown mass is initially at rest and dropped from a height h. it reaches the ground with velocity v1. the
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