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an artillery shell is fired at an angle of 481 above the horizontal ground with an initial speed of 1920 ms the
a ball with a mass of 15 kg is observed to move with an acceleration of 6 ms2 what is the size of the net force
calculate the momentum of a 2100 kg elephant charging a hunter at a speed of 750 mskgmiddotmscompare the elephants
an unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station
a system of four particles moves along one dimension the center of mass of the system is at rest and the particles do
speedy mike driving at 320 ms enters a one-lane tunnel he then observes a slow-moving van 160m ahead traveling at 550
an object moves with constant acceleration 445 ms2 and over a time interval reaches a final velocity of 100 ms if its
a woman wishing to know the height of a mountain measures the angle of elevation of the mountaintop as 12deg after
one cubic meter 100m3 of concrete has a mass of 230e3kg and 100m3 of copper has a mass of 892e3kg find the radius of an
a catapult launches a test rocket vertically upward from a well giving the rocket an initial speed of 800 ms at ground
a ski jumper leaves the ski track moving in the horizontal direction with a speed of 150 ms the landing incline below
a car accelerates down a hill going from the rest to 300 ms in 600 s a toy inside the car hangs by a string from the
as part of a fiendish plan the physics student society decided to use a catapult to launch a water balloon toward the
can you help me with these questionshow can you tell if a single measurement is more precise than anotherif the
a projectile is launched at an angle of 130deg above the horizontal what is its initial speed if it hits a target that
an oil film n 148 floating on water n 133 is illuminated by white light at normalnbspincidence the film is 274 nm
three people are fighting over a book the mass of the book is m918kg each person exerts a force on the book f the
in raising a 6400-n piano with a pulley system the movers note that for every 30 m of rope pulled down the piano rises
the ball was thrown from 190 m height building the initial velocity is 392 ms and it creates 30 degree angel with the
as a distributor testa produce doesnt have direct contact with the public how might the company go about alerting
over the next 12 months bradley metals located in vancouver will order aprox 6000 of forging units from kurrat tools
how well does tiger brands vision and mission statement help narrow down feasible alternative strategies available for
as your book describes the united states did not recognize foreign copyrights until the late 1800s as a result us
bob a sales manager for buymore stopped by the grill to meet a client for dinner bob always enjoyed having an expensive
there are five forces identified by porter their relevance will be necessary for evaluating companies identified in the