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A 2 kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the left at 2 m/s, and they stick together. After the collision, the velocity of the combined bodies is?
Only two forces act on an object (mass=3.76 kg), as in the drawing. Find the direction (relative to the x axis) of the acceleration of the object
Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. What is the direction of the electric field midway between the surfaces
A 3.00kg mass and a 5.00kg mass hang vertically at opposite ends of a rope that goes over an ideal pulley. what is the magnitude of the acceleration of the masses
An oil-filled capacitor has square parallel plates 25cm on a side, separated by 0.50mm. Find the dielectric constant of the oil
Astronomers discover a binary star system that has a period of 93.0 days. The binary star system consists of two equal-mass stars, each with a mass twice that of the sun, that rotate like a dumbbell about the centre of mass at the midpoint between..
A defibrillator passes a brief burst of current through the heart to restore normal beating. In one such defibrillator, What is the initial current through the patient
You illuminate a slit of width 0.0667 mm with light of wavelength 721 nm, What is the width, in centimeters, of the pattern's central maximum
The highest rotary speed ever attained was 2010 m/s (4500 mph). The rotating rod was 15.2 cm (6 in.) long. What is the period of rotation of the rod
A particular organ pipe can resonate at 231 Hz, 385 Hz, and 539 Hz, but not at any other frequencies in between. Is it an open or a closed pipe? What is the fundamental frequency of this pipe.
A 3.70g bullet moving at 250m/s enters and stops in an initially stationary 3.50kg wooden block on a horizontal frictionless surface, How much work was done in stopping the bullet
Several vectors in the x-y plane are shown in the figure with their tails at the origin of the coordinate system and with a label at their heads
The maximum transverse acceleration of a point at the middle of the segment is 8800 m/s^2 and the maximum transverse velocity is 3.50m/s.
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