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Name:People Soft ID:Prof. Andre C. BaratoFirst regular exam Phys1301 –06/10/20191 A runner runs in the same direction at 11.5 km/h for 30 minutes and then at 17 km/hfor 40 minutes. What is the total displ a cem ent?a20kmb17kmc12kmd15Km2 An object is launched from the floor. The launch angle is ✓ =30and the magnitudeof the initial velo c i ty is v0= 27 m/s. How long does it take for the o bject to reach thefloor?a4.22sb3.11sc2.75sd1.55s3 Sam e situation from exercise 2, an object is launched from the floor with launch angle✓ =30and v0= 27 m/s. What is the horizontal displacement of the object when itreaches the floor?a60.4mb50.5mc28.8md64.3m4Theinitialpositionvector~rihas magnitude 4 m and points in the positive x direction,whereas the final position vector ~rfhas magnitude 10 m and direction ✓ =120. Wh a tis the x-component o f the displa cem ent vector ~r = ~rf ~ri.a-9mb1mc4md-2m5 Consi d e r the situation depicted in the figure. What is the minimal requi re d force Fto make the body start moving. The coefficient of static friction is µs=0.3andthemass of the object is 3.4 kg.a15.7Nb28.3Nc31.1Nd13.9N6 A block of mass m hangs o n a spring with srping constant k =2.2 N/m. The sprin gis dislocated downward by x =1.7 m from its equilibrium position. What is the


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UTEP PHYS 1403 - Review FIrst

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