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A block is projected up a frictionless inclined plane with initial speed v0 = 3.47 m/s. The angle of incline is ? = 32.1°.1) How far up the plane does the block go?2) How long does it take to get there?3) What is its speed when it gets back to the bottom?
A converging lens with a focal length of 31 cm is used to form an image on a screen that is 2.7 m to the right the lens. Where must the object be placed
A loudspeaker of mass 18.0 {rm kg} is suspended the distance of h = 1.20 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 2.70 {rm m}. What is the tension T in each of the cables? Utili..
A 1970-kg car is moving down a road with a slope of 14% while speeding up at a rate of 3m/s^2. What is the direction and magnitude of the frictional force
a conductor in the shapr of a sperical shell of radii 8 and 11 cm is charged to 20 uC, find the electric potential at each of these radii
Two identical carts travel at 1m/s in opposite directions on a common horizontal surface. They collide head-on and are reported to rebound, each with the speed of 2m/s.
Normal blood presure in a human artery is 13.6 kPA; the blood flows with a speed of 0.12 m/s. What is the blood pressure in the clogged part of the artery
A pyrex beaker that holds 250 ml of water at 20 degrees celcius is filled to the brim. The system is heated to 40 degrees celcius, how much water (if any) will spill out of the beaker
A jet plane lands with a speed of 114 m/s and can accelerate at a maximum rate of ?4.20 m/s2 as it comes to rest. what is the minimum time needed before it can come to rest
question1analyse the crystal thickness pd df prf prp spl period and distance to reflector if a 3 cycle pulse emitted
bowler uses a 5-kg bowling ball. What is the weight of the bowling ball, What is the momentum of the ball
Light of wavelength 540 nm is diffracted by a grating ruled with 1000 lines/cm. There are a total of 2000 lines in the grating. Find the angular deviation of the third order image.
A 3m-long, 300 steel beams extend horizontally from the point where it has been bolted to the framework of a new building under construction. A 73 construction worker stands at the far end of the beam. What is the magnitude of the torque about poi..
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