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a woman stands on a scale in a moving elevator her massis 600 kg and the combined mass of the elevator and scale is
a body moving at 500c with respect to an observer disintigratesinto two fragments that move in opposite directions
the reaction between nitric oxide no and oxygen to form nitrogen dioxide no2 is a key step in photochemical smog
a factory workeraccidentally releases a 175 kg cratethat was being held at rest at the top of a 3 m long ramp inclined
calculate the number of moles of ethanol c2h6o in 2500 ml sample ethanol has a density of 076
a 70kh man jumping from a window lands in an elevated firerescue net 110 m below the window he momentarily stops when
in a nuclear power plant the reactor produces 361 c steam that is used to power the steam turbines which generate 2202
finely divided sulfur ignites spontaneously in fluorine gas to produce sulfur hexafluoride as in the following
a weight of mass m1 is on africtionless ramp which makes angle theta with respect to thehorizontal this mass starts at
a 144 kg monkey wrench is pivoted at oneend and allowed to swing as a physical pendulum the period of itsmotion is 0860
when heated to 150 degree celsius cuso4middot 5h2o loses its water of hydration as gaseous h2o a 273 g sample of the
computethe maximum height that a projectile can reach if it is launchedwith speed v o at angle thetarelative to the
a helicopter is moving horizontally to the right at aconstant velocity the weight of the helicopter is w 53800n the
a rock is thrown from the edge of a cliff to the ground 160 m below the rock has an initial velocity of 185 ms directed
two men pushing a stalled car generate a net force of 690nfor 66 sec what is the final momentum of the
when sulfuric acid is a component of polluted air it chemically attacks statues memorials and monuments made from
during a rockslide a 760 kg rockslides from rest down a hillside that is 500 m long and 300 m high the coefficient of
a small boat is headed for a harbor 34 km directly northwest of its currentposition when it is suddenly engulfed in
according to the laws of probability the chance of two independent events occurring simultaneously is which of the
a 2900 kg truck traveling northat 40 kmh turns east and acceleratesto 51 kmha what is the change in the trucks kinetic
a 58 kg man is riding on a 50 kg cart traveling at a speed of 31 ms he jumps off with zero horizontal speedrelative to
the nurse caring for a patient with a newly created ileostomy assesses the patient and notes symptoms that may be
the heating element of a clothes dryer has a resistance of127 ohms a voltage of 240 v is connected across the
does monocot have phytomers i thought it doesnt but the answer is yes does monocot has the