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A thing rod of mass M and lenght l is suspended from a frictionless pivot at its upper end. A mass m of putty is traveling horizontally with a speed v strikes the rod at its CM and sticks there. How high does the bottom of the rod swing?
A stone is dropped from rest into a well. The sound of the splash is heard exactly 1.60 s later. Find the depth of the well
A proton is projected in the positive x direction into a region of uniform electric field = (-5.20E5) N/C at t = 0. The proton travels 6.20 cm as it comes to rest, Determine the initial speed of the proton
A 1.0-cm-tall object is 7.5 cm in front of a diverging lens that has a 10 cm focal length. Determine the image height by making measurements on your diagram
Cheetahs, fastest of the great cats, can reach 45 in 2 starting from rest. Assume that they have constant acceleration throughout that time, find their acceleration (in (a) and (b) ) and the distance (in (c) and (d) ) Q2. They travel during that t..
A house has a volume of 450 m3. The air-conditioning system is designed to replace the air in the house every hour, The air in the ducts flows at 5.0 m/s, find the width of the ducts
A parallel plate capacitor has plates of area 2.0*10^3 and plate separation 1.0*10^4m. find the capacitance of this system if air fills the volume between the plates.
What mass (in grams) of steam at 100 C must be mixed with 175 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 50.0 C.
As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air at a speed of 17.0 m/s. find the force he exerts on the ball to give it this upward speed
A gymnast with mass m1 = 43 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 108 kg and length L = 5 m. Each support is 1/3 of the way from each end. at first the gymnast stands at the left end of..
A 2.0kg wood block is launched up a wooden ramp that is inclined at a 27? angle. What speed does it have when it slides back down to its starting point
Obtain the wavelengths in vacuum for blue light whose frequency is 6.46 Ã- 1014 Hz
A 0.35kg mass suspended from a spring moves with simple harmonic motion. At the instant mass is displaced from equilibrium by -0.105 m, what is its acceleration? (The spring constant is 11.8N/m)
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