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A uniform 1.50 meter ladder of mass 5.80 kilogram is leaning against a vertical wall while making an angle of 54 degree with the floor. A worker pushes the ladder up against the wall until it is vertical.
Obtain how much work did this person do against gravity?
A ditch d = 1.80 m wide crosses a trailbike path. An upward incline of = 14° has beenbuilt up on the approach so that the top of the incline is levelwith the top of the ditch. What is the minimum speed a trail bike must be moving to clear the ditc..
a small 98.2 g cart is moving at 1.01 ms on an air track when it collides with a larger 1.15 kg cart at rest. after the
solve a 0.880 mev photon is scattered by a free electron such that the scattering angles of the electron and photons are equal. Determine the angles?
A large mountain can slightly affect the direction of "down" as determined by a plumb line. How far would the lower end move toward the sphere
An ore sample weighs 17.50 in air. When the sample is suspended by alight cord and totally immersed in water, the tension in the cord is11.20 Newton. Find what is the density of the sample
A pitcher pitches a baseball of mass 0.20 kg. The baseball arrives at home plate with a speed of 40 m/s and is batted directly back to the pitcher (horizontally) with a return speed of 50 m/s. find the magnitude of the average force of the bat on ..
Find the potential on the axis of a charged ring carrying some charge density (lamda) uniformly distributed around it
It takes a force of 65.5N to compress the spring of a toy popgun 0.200m to "load" a 0.190kg ball. With what speed will the ball leave the gun
The strongest person in the world lifted th read end of his car a mass of 615 kg a verticle distance of .24 meters. How much work did he do to life the car
A jeweller’s lens of focal length 1.7 cm is utilized as a magnifier. With the lens held near the eye, decide the following. What is the object distance giving the maximum magnification? What is the angular magnification when the object is at the foca..
A circuit has a 12 V source connected to a 5 Ohm resistor and 7 Ohm resistor in series. A current of 1 A flow through them. What is the power dissipated across the small resistor
a neat diagram of the connection showing the secondary winding of a 3-phase 4 wire tnt transformer supplying three
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