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a satellite is in a 950 min period circular orbit 380km above earths surfacepart a find the satellites speedpart b find
a 890 kgcar is at the top of a 30m-long 25degreeincline its parking brake fails and it starts rolling down the hill
a weightlifter lifts 50 kg a total vertical distance of 028 m at a constant speed in 100 seconds what power was
a 771 kg man is riding an escalator in a shopping mall the escalator moves the man at a constant velocity from ground
capacitors c1 580 microf and c2 240 microf are charged as a parallel combination across a 250 v battery the
a softball of mass 0220 kg that is moving with a speed of 55 ms in the positive direction collides head-on and
a block of mass m is sliding down a rough inclined plane with constant velocity v the plane has angle theta with the
superheated water vapor initially at 15 bar and 440degc is cooled at constant pressure to a saturated vapor state and
in the cavendish balance apparatus suppose that m1100 kg m2 200 kg and the rod connecting each of the pairs of masses
a 0642 kg basketball is dropped out of a window that is 642 m above the ground the ball is caught by a person whose
a typical aaa battery has stored energy of about 3400 j battery capacity is typically listed as 625 ma h meaning that
a weightless spring with spring constant k1 hangs from an elevated support from its lower end hangs a second weightless
a 50 ml sample of vinegar was titrated with 72 ml of 055 m naoh aq if the density of the vinegar solution is 100gml
what are the possible values of n and ml the principal and angular momentum quantum numbers for an electron in a 5d
when a particular metal is illuminated with photons one electron is observed for each absorbed photon what effect would
920g na some are cast in 760g of water and allowed the reaction to occur to completion according to the following
a metal ball with a mass of 381middot10-6 kg and a charge of 521 mc has a kinetic energy of 477middot108 j it is
how much heat is required to raise the temperature of 500 grams of water from 35 degree c to 55 degrees
a cart with mass 310 g moving on a frictionless linear air track at an initial speed of 10 ms undergoes an elastic
a 2500 kg truck traveling north at 45 kmh turns east and accelerates to 56 kmha what is the change in the trucks
solid sodium peroxide na202 reacts with liquid water yielding aqueous sodium hydroxide and oxygen gas how much heat is
how many micrograms are present in 23469 g 1g 1x106 micrograms please show your work and use significant figures in the
a carnot heat engine operates between reservoirs at temperatures of 864 k and 297 k in one cycle it absorbs 1405 j heat
what is the density in gcm3 units of a solution that has a net mass of 548 g and occupies a 0050 l volume please show
a 01018 g sample of copper metal is dissolved in 14 ml of concentrated hno3 to form cu2 ions and then water is added to