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A 1.5 kilogram block is at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 10 cm that has a coefficient of friction µk=0.640 with the block. Find h if the block's speed after crossing the rough patch is 3.5 m/s.
a red ball is thrown down with an initial speed of 1.3 ms from a height of 27.0 meters above the ground. then 0.5
A car is parked at the top of a 52m -high hill. It slips out of gear and rolls down the hill. How fast will it be going at the bottom
A 5.6cm diameter horizontal pipe gradually narrows to 4.6cm . When water flows through this pipe at a certain rate, What is the volume rate of flow
An air track glider undergoes a perfectly inelastic collision with an identical glider that is initially at rest. What fraction of the first gliders initial kinetic energy is transformed into thermal energy in this collision?
question a proton enters a uniform magnetic field that is at a right angle to its velocity. the field strength is 0.50
The electric field at point P just outside the outer surface of a hollow spherical conductor of inner radius 15 cm and outer radius 31 cm has magnitude 465 N/C and is directed outward.
Give four examples (two of each type) of optical devices which are best understood using either Geometric Optics or Physical Optics. Justify your examples.
problem- building office room. length 10m width 8m height 4m. four pillars support four beam. the beams should have
a single square loop of wire has a resistance of 2 ohm. the length of each side of the square is 0.5m. a magnetic field
the forces exerted on the shoes and back of the 72-kg climber bythe walls of the chimney are perpendicular to the walls exertingthem. what is the magnitudeof the force exerted on his back
Find the weight of the hanging mass when the spring, with spring constant 15.5 kN/m , has been stretched 15.1cm
a constant force is applied to object n causing it to accelerate at 5.43 ms2. the same force applied to object p causes
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