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- The figure below thems an object with mas m=6.0 kg puled up a ramp inclined at an angle of θ =29o with a force of magnitide f = 30N paralel to the ramp. a ) if there is no friction between the object and the ramp , what is the magnitude of the object's acceleration ( in m/s2)Aforces F,3f andI 5F are The o Point inthe horizantal Planc as shouln inthe fegure Since Fa20 d=2m find directon ot turque acting Onthe lorte with resoeet o 5) a force itaj s applied on object #he for Le 1oeater 3F (2i+36) fin forque tothe Bbject So lution (9)A bird cage, with a parrot inside, hangs from a scale. The parrotdecides to hop to a higher perch. What can you say about thereading on the scale (a) when the parrot jumps, (b) when theparrot is in the air, and (c) when the parrot lands on the secondperch? Assume that the scale responds rapidly so that it givesan accurate reading at all times. Draw and Explains.
- A traveler pulls on a 25 kg suitcase strap atan angle 36° above the horizontal. If thesuitcase started at rest, and has a final speedof 1.5 m/s while the suitcase moved ahorizontal distance of 15 m, what is thetension in the strap?An object of mass 10 kg is roleased from rest 4000 m above the ground and allowed to fall under the influence of gravity Assuming the force duo to air resistance is proportional to tho velocity of the object with proportionality constant b 50 N.sec/m, determine the equation of motion of the object When will the object striko the ground? Assume that the accoloration due to gravity is 9.81 m/sec and let x(t) represent the distance the objoct has fallon in 1 seconds Delermine the oquation of motion of the objectA 2.75 kg cat moves in astraight line (the x-axis). Figureshows a graph of the xcomponentof this cat’s velocityas a function of time. (a) Find themaximum net force on this cat.When does this force occur? (b)When is the net force on the catequal to zero? (c) What is the netforce at time 8.5 s?
- the net external force on the 24-kg mower isstated to be 51 N. If the force of friction opposing the motionis 24 N, what force F (in newtons) is the person exerting onthe mower? Suppose the mower is moving at 1.5 m/s whenthe force F is removed. How far will the mower go beforestopping?when a student steps on a bathroom scale inside an elevator that is ar rest, the cale reads 490N. when the elevator starts to move, the scale reads 425N. is the elevator moving up or down ? what is its acceleration ?Referring to the previous question about the wooden crate on the wood floor with given coefficients of friction: If we push the crate with a horizontal force of 300 N, what will be the magnitude of its acceleration in m/s2 ? [Answer with 3 significant figures]
- An object accelerates at 4m/s2 due to a 20N force applied to it. (a) What amount of force is needed to produce an acceleration of 2.0 m/s2 to the same object? (b) What amount of force is needed to produce an accelaration of 12m/s2 to the same object? I ALREADY NEED IT PLEASE ANSWER?a 314 kg bumper car Callistin witha Zookg Stationary bumperCeers How fast the 200kg bumpea carbe colssch in M/s. gong 120M(s has ald elastc . going aftertheThe acceleration due to gravity on Earth differs slightly from place to place, depending on topography (e.g., whether you areon a hill or in a valley) and subsurface geology (whether there is dense rock like iron ore as opposed to light rock like saltbeneath you.) The precise acceleration due to gravity can be calculated from data taken in an introductory physicslaboratory course. An object, usually a metal ball for which air resistance is negligible, is dropped and the time it takes to falla known distance is measured. Very precise results can be produced with this method ifsufficient care is taken in measuring the distance fallen and the elapsed time.