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a spark can jump among two no touching conductors if the potential difference among them is sufficiently large a
a 22 rm kg sphere is at the origin and a 12 rm kg sphere is at x y 22 rm cm 0 rm cm at what point or points could
water at 220 degc is sprayed onto 0218 kg of molten gold at 1063 degc its melting point the water boils away forming
assume that an ion source in a mass spectrometer produces doubly ionized gold ions au2 each by a mass of 327 x 10-25 kg
the drawing shows two long straight wires that are suspended from a ceiling the mass per unit length of each wire is
a 24 g ice cube at its melting point is felled into an insulated container of liquid nitrogen how much nitrogen
1 after your sports car breakdown you start to push it to the nearest repair shop while the car is starting to move how
a how many kilocalories are generated when the brakes are utilized to bring a 910 kg car to rest from a speed of 101
refer to conceptual example 8 as background material for this problem the drawing shows a horizontal beam of light that
1 the magnetic field in a superconducting solenoid is 3t how much energy there is in the solenoid in jm3 2 a 10-mh
the pressure on an ideal gas is cut in half resulting in reduce in temperature to 635415 of the original value and a
two lenses are placed 30 cm apart the first lens has a focal length of 20 cm and the second lens has a focal length of
in a certain material light travels at a speed of 200 x10nbspnbsp 8 ms if the reflected light is polarized what is the
an object with a mass of 0020kg is moving at 80ms when it slams into and sticks to the end of a thin rod that is fixed
a rectangle has the dimensions of 320 m x 200 m when viewed by someone at rest by respect to it when you move past the
the far point of a nearsighted person is 74 m from her eyes and she wears contacts that enable her to see distant
the average intensity of sunlight reaching the earth is 1390wm2 a charge of 21x10-6 c is placed in the path of this
on his honeymoon james joule attempted to explore the relationships among various forms of energy by measuring the rise
a stamp collector is viewing a stamp by a magnifying glass held next to her eye here near point is 25 cm from her eye
a concave spherical mirror forms a virtual image 151 times the size of the object the distance among object and image
a block of unknown mass is attached to a spring with a spring constant of 500 nm and undergoes simple harmonic motion
a flat sheet of crown glass has a thickness of 16 cm it is on top of a flat sheet of crystalline quartz that has a
a 12kg projectile is launched with an initial vertical speed of 20ms it rises to a height of 18m above the launch point
to focus a camera on objects at dissimilar distances the converging lens is moved toward or away from the film so a
a particle with a charge of 5 x 10-6 c and amass of 20 grams moves uniformly by a speed of 7 ms in a circular orbit