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two spaceships each of proper length 100 m pass near each other heading in opposite directions if an astronaut at the
1 a train travels due south at 60 ms it reverses its direction and travels due north at 60ms what is the change of
grading and all details are below all criteria including grading requirementsthe title of the nursing course is
initially a total mass of a rocket is m of which km is the mass of the fuel starting from rest the rocket gives itself
1a friend tells you that since his car is at rest there are no forces acting on it how would you reply2riding in an
1 an electric motor accelerates the 6-in diameter grinding wheel at a rate 0f 150 rads2 from rest until it reaches its
a ferryboat sails between two towns directly opposite each other on a river if the boat sails at 15 kmh relative to the
impulses and momentumwhen a resultant force acts on an object the object is accelerated the acceleration of the object
1 two trains are passing against each other train a is going north with velocity of 76 kmhour train b is going south
1 estimate the uncertainty in the momentum of an electron whose location is uncertain by a distance of 2 angstrom what
during a thunderstorm we first see the lightning and then hear the thunder assume that clouds and storm occur in the
1 the speed of sound waves in water density 100 x 10 3 kgm 3 is c1480 msa what is the average intensity in wm 2 of a
two observers agree to test time diliation they use identical clocks and one observer in frame s moves with speed v06c
black holes are strange astronomical objects that are formed from collapsed stars these fascinating stellar objects are
6 there is a gas cylinder filled with oxygen in front of you it is 15 meters tall and 30 centimeters in diameter the
violet light has a wavelength of about 410 nm what is its frequency calculate the energy of one photon of violet light
1two trains one traveling at 68kmh and the other at 136kmh they are headed toward one another along a straight level
the figure attached shows the armstrong oscillator a transformer with two secondary windings has been use one to give
1 two people stand 30 m away from a large plane mirror and are 50 m apart from each other in a dark room at what angle
1-a swimmer wants to swim straight across a river with current flowing at a speed of v1 027 kmh if the swimmer swims
light travels about 300000000 meters per second a light year is the distance that light can travel in one year estimate
a certain stop light stays yellow for 5 seconds before turning red suppose that your maximum deceleration from braking
1 which of the following would be a good candidate for magnetic storagea a soft magnetic material b copper c aluminum d
the intensity of light with a mean wavelength of 854 nm falling on a solar sail is 140 wattsm2 the sail is oriented
the frequency band 870 - 890 mhz is used for analog fm cellular telephone systems a base station transmits a signal