Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
a block is dropped onto a spring with k 33 nm the block has a speed of 34 ms just before it strikes the spring if the
a skier starts from rest at the top of a hill that is inclined at 109deg with respect to the horizontal the hillside is
a 2130 satellite used in a cellular telephone network is in a circular orbit at a height of 800above the surface of the
an earth satellite moves in a circular orbit with an orbital speed of 6300find the time of one revolution of the
a 120-v motor has mechanical power output of 260 hp it is 850 efficient in converting power that it takes in by
a a 347-m length of copper wire at 200degc has a radius of 023 mm if a potential difference of 70 v is applied across
a rectangular block of copper has sides of length 5 cm 21 cm and 38 cm if the block is connected to a 80 v source
a parallel-plate capacitor in air has a plate separation of 159 cm and a plate area of 250 cm2 the plates are charged
the plates of a spherical capacitor have radii 350 mm and 470 mma calculate the capacitancepfb what must be the plate
a student m 63 kg falls freely from rest and strikes the ground during the collision with the ground he comes to rest
a 5000-kg mass starts from rest and slides down an incline that is tilted 5 degrees above the horizontal what is the
the current in an electron beam in a cathode-ray tube is measured to be 20 ua how many electrons hit the screen in 10
a 250kg ball is thrown horizontally at 168msa as it falls under the influence of gravity find its final momentum
a 120g ball moving at 30 ms in the x-direction is subject to a 015n force in the - y-direction for 30sa find the
astronomers discover an exoplanet a planet of a star other than the sun that has an orbital period of 385 earth years
a spring gun k 288 nm is used to shoot a 584-g ball horizontally initially the spring is compressed by 183 cm the ball
a gymnast of mass 528 kg is jumping on a trampoline she jumps so that her feet reach a maximum height of 267 m above
a if the length of the achilles tendon increases 0600 cm when the force exerted on it by the muscle increases from 3087
a planet with a radius of 668 times107 m has a gravitational field of magnitude 342 ms2 at the surface what is the
the maximum speed of a child on a swing is 462 ms the childs height above the ground is 0622 m at the lowest point in
a plane weighing 245 kn 275 tons lands on an aircraft carrier the plane is moving horizontally at 607 ms 136 mih when
a 900- kg car collides with a 1300- kg car that was initially at rest at the origin of an x-y coordinate system after
a sled is dragged along a horizontal path at a constant speed of v 152 ms by a rope that is inclined at an angle of
a person drives a car around a circular cloverleaf with a radius of 64 m at a uniform speed of 10 msa what is the
a race car travels northward on a straight level track at a constant speed travels 0764 km in 170 s the return trip