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a force of 1 n is the only horizontal force exerted on a block and the horizontal acceleration of the block is
a satellite is placed in orbit 900 105 m above the surface of the planet jupiter jupiter has a mass of 190 1027 kg and
a 20 kg mass traveling at 30 ms strikes another 20 kg mass traveling at -10 ms they collide and have a complete elastic
a 20 kg block slides on a frictionless 25o inclined plane a force of 46 n acting parallel to and up the incline is
the magnitude of the electric field due to a disk of radius 3 m and a uniformly distributed positive charge is measured
suppose you were on the moon instead of on the earth assuming your average reaction time is the same how far would the
a nonuniform linear charge distribution given bybx wherebis a constant is located along anxaxis fromx 0 tox035m suppose
two electrons are fixed36cm apart another electron is shot from infinity and stops midway between the two what is its
one of the most powerful cranes in the world operates in switzerland it can slowly raise a load of m 56390 tonnes to a
a mass m1 39 kg rests on a frictionless table and connected by a massless string over a massless pulley to another
how does reaction time affect emergency situations like braking in a car estimate the distance a car travels at 100kmhr
the filament of a 127 w 116 v lightbulb is a tungsten wire 005 mm in diameter at the filaments operating temperature
at the surface of jupiters moon io the acceleration due to gravity is 181ms2 a watermelon has a weight of 530n at the
a cargo plane is flying horizontally at an altitude of 200 km with a speed of 888 kmh when a large crate falls out of
a proton travels with a speed of 300 106 ms at an angle of 220deg with the direction of a magnetic field of 0730 t in
a jet pilot takes his aircraft in a vertical loop if the jet is moving at a speed of 360 ms at the lowest point of the
the radius of mars about one half that of earth and its mass is about 110 using this information estimate the
a battery supplies a 60x10-6 c charge to a 50microf capacitor to create a potential difference of 120 v across its
it is common to see birds of prey rising upward on thermals the paths they take may be spiral-like you can model the
a defective starter motor in a car draws 260 a from the cars 12-v battery dropping the battery terminal voltage to 60 v
a physics student stands on the edge of a tall building 500m high she throws a ball with a speed of 200ms at an angle
a light plane is headed due south with a speed of 151kmh relative to still air after 105 hour the pilot notices that
an astronaut on the moon applies a100n horizontal force to a 10kg mass at rest on a table at what rate does the mass
in 258 minutes a ski lift raises four skiers at constant speed to a height of 132 m the average mass of each skier is
a helicopter starting from rest accelerates straight up from the roof of a hospital the lifting force does work in