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a certain heat engine starts at point a as shown in the diagram at a temperature of 400oc the engine uses a monatomic
the mass of mars is 640x1023 kg and its radius is 337x106 m g 66710-11 nm2kg2a calculate the acceleration of gravity at
on a certain dry sunny day a swimming poolaceurocs temperature would rise by 1102oc if not for evaporation what percent
a recording of a high-frequency pure tone is played through both speakers of a portable stereo placed in an open field
a rectangular coil with sides 01 m by 025 m has 600 turns of wire it is rotated about its long axis in a magnetic field
a a rectangular gasoline tank can hold 410 kg of gasoline when full what is the depth of the tank if it is 0500 m wide
a certain 8lb hunting rifle fires a 180 grain bullet at a target 1000yds away the bullet experiences an acceleration of
in a centripital force experiment mass m300 grams attatched to a spring is revolved around a circle with a radius r15cm
a cement block accidentally falls from rest from the ledge of a 576-m-high building when the block is 103 m above the
a cell membrane has a resistance and a capacitance and thus a characteristic time constantwhat is the time constant of
a rectangular loop consists of 124 closely wrapped turns and has dimensions 0400 m by 0300 m the loop is hinged along
a celestial object called a pulsar emits its light in short bursts that are synchronized withits rotation a pulsar in
a rectangular loop of height h and width w is fixed so that it can rotate about its vertical side a magnetic field b is
the rectangular loop of wire shown in the figure has a mass of 025 g per centimeter of length and is pivoted about side
a cart for hauling ore out of a gold mine has a mass of 415 kg including its load the cart runs along a straight
a rectangular sign over a store has a mass of 140 kg with the center of mass in the center of the rectangle the support
a carpenter builds a solid wood door with dimensions 205 m x 092 m af- 60 cm its thermal conductivity is k0120wmk the
a rectangular wooden platform with a density of 830 kg m3 is partially submerged in a lake as shown above where the
a carpenter builds an exterior house wall with a layer of wood 29 cm thick on the outside and a layer of styrofoam
a carnot engine has an efficiency of 39 when the hot reservoir temperature is 328 oc if we want to improve the
at a carnival you can try to ring a bell by striking a target with a 715-kg hammer in response a 0411-kg metal piece is
three point positive charges q 10-6 c are on the corners of a square that has sides of length l 1 m see figurefind a
1 what is the refractive index of glass when free space light falls on the glass with incident angle 45 and pass
carbon-14 undergoes beta decay with half-life 5730 yr suppose we know that an object originally had 20 x 1010 14c atoms
a refractive index n is 15 and the radius of curvature r is 6m what it is the appropriate equation to calculate the