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a bicyclist coasts down a 539deg slope at a steady speed of 837 ms assuming a total mass of 871 kg bicycle plus rider
rank the following compounds in order of their decreasing solubility in water the one having the greatest solubility
a wooden raft has a mass of 46 kg when empty it floats in water density 1000 kgm3 with 54 of its volume submerged what
a 425-kg watermelon is dropped fromrest from the roof of a 205-m-tallbuilding and feels no appreciable air resistancea
given the following balanced equation determine the rate of reaction with respect to so3 if the rate of o2 loss is 356
a reagent is sold a s a solution that is 60 by mass what is the molality of the solution if the molar mass of the
a spring-block system executes simple harmonic motion the mass of the block is m 12 kg and the total energy is e 18 j
a car spring lenght 02 m is suspended from the ceillingof a garage a 200kg mass is suspended from the spring which
a cylinder of radius b has a moment of inertia i 12mb2 the cylinder is rolled along a degat horizontal surface at
a 3m3 rigid tank contains a saturated water mixture at 60mpa if the saturated vapor occupies 90 of the volume determine
a car of mass 1572 kg collides head-on with a parked truck of mass 2000 kg spring mounted bumpers ensure that the
a car starts at a position of x2km and has a speed of 1 mph after 56 s thecar has a speed of 44 mph determine the
a solid spherical conductor of radius 20 cm has a charge q 25 nc on it a second initially uncharged spherical
a sewage lagoon that has a surface area of 10 ha and a depth of 1 m recieving 8640m3d-1 of sewage containing 100 mgl-1
three point charges have equal magnitudes two being positiveand one negative these charges are fixed to the corners of
a heat engine takes in 111 kj of heat from a reservoir at 811 k and exhausts 83 kj to a reservoir at 290 ka what is the
an object is thrown up in theair straight up and it takes 10 seconds to reach a maximum height what is the objects
hydrochloric acid is usually purchased in a concentrated form that is 370 hcl by mass and has a density of 120 gmlhow
a gold prospector finds a solid rock that is composed solely of quartz and gold the mass and volume of the rock are
a charge of q 75uc is located in an electricfireld the x amp y components of the electric field areex600 x 103 nc and
the solubility of benzoic ascid in water is 680g per 100ml at 100 degrees c and 034g per 100ml at 25 degrees c
asteroids are mainly composed of metals like iron and nonmetals like carbon briefly explain the differences between
a light ra reflects from a mirror hanging vertically on a wall in your bathroom and the ray strikes a particular point
a cart is driven by a large propeller or fan which can accelerateor decelerate the cart the cart starts out at the
what mass of sucrose c12h22o11 should be combined with 500 grams of water to make a solution with an osmotic pressure