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A shell is shot with an initial velocity of 29 m/s, at an angle of ?0 = 62° with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass (see the figure). One fragment, whose speed immediately after the explosion is zero, falls vertically. How far from the gun does the other fragment land, assuming that the terrain is level and that air drag is negligible?
A star of mass 1.85×1031 kg and diameter 8.20E+9 m rotates with a period of 27.0 days. what is the new diameter of the star
In an X-ray scattering measurement the first order diffraction peak is observed at ? = 16.2°. At what angle is the second order peak observed? What is the angle of the third order peak?
q1. mary is driving her car at 48 kmh. she approaches an intersection just as the traffic light turns yellow. the
a block 20cm wide by 60 cm long balances (symetrically on a similar block which is fixed to the ground. What is the mass of the upper block
An airplane with a speed of 71.4 m/s is climbing upward at an angle of 49.5 ° with respect to the horizontal. When the plane's altitude is 692 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directl..
In a double-slit experiment, what is the linear distance on the screen between adjacent maxima if the wavelength is 538 nm
q1. a 62.6-kg chandelier is suspended 1.5 m below a ceiling by three wires each of which has the same tension and the
what is the electrostatic force that acts on this charge. What would be the least speed required for the rest of the trip to arrive in time for the interview.
Light of wavelength 565 nm incident on a pair of slits produces an interference pattern on a distant screen in which the separation between adjacent bright fringes at the center of the pattern is 0.569 cm. What is the wavelength of the second sourc..
A hammer is hanging by a light rope from the ceiling of a bus. The ceiling of the bus is parallel to the roadway. What is the acceleration of the bus
Compute the numerical value for acceleration
A heat engine runs in the cycle A to B to C and back to A. The pressure at C is 200 kPa. The volume at C is 20 liters.
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