CAIDA LIBRE

a) V₀=  2g (h)

         = 19.62m/s² (44m)                                                                        v₀₌ 29.38m/s

       = 863.28m/s²

t= 2h/g                                   t= 8.97s²

t= 2(44m)/9.81                     t=2.99s

b) v_f= v+gt

=29.38m/s+(-9.81)(2.88s)

=29.38m/s-28.133m/s

=0.0481m/s

c) t  =  2h/g

    t=   2 (0.45m)/9.81m/s²

   t=0.30s

    a= 0.048m/s -29.38m/s

       =9.8m/s²

V_o= 15  m/s

H= 20m

T= √ 2(20 m/s)/9.81 m/s²

T= √ 40 m/9.81 m/s²

T= √ 4.07 s²

T=2.019 s

a)        t=v_f-v₀/g =  v₀/g

    t=-14.5m/s  /  -9.8m/s

    t= 1.47s

b)s=v_f-v_o/2  t= v₀/ t

     =14.5m/s / 2 (1.47s)

     =10.65m

c) V0T+1/2gt²

                      =(14.5m/s)(1.47s)+1/2(-9.8m)(1.47s)²

                      =21.315-7.203

                     =14.112m

V_f=v₀+gt

             =14.5m/s+(-9.8m/s)(1.6s)

             =14.5m/s-15.6m/s

             =-1.18m

2gh  =  19.6 (30)  = 588= 24.24

= 24.24+(9.81)(1s) 

=24.24+9.81

=34.05

s=vot+1/2gt2

         =0(4s)+1/2(-9.8m)(4s)²

        =4s+(-4.9m)(16s)

        =4s-78.4m/s²

        =-74.4m/s

            b)     v_f-v₀/g

         -33.4m/s/2 (4s) = -66.8m



v₀=   2gh

a)       v₀= 18.62m/s(2n)   =  38.24m/s

                      =6.264m/s

                    b)  v₀=   2gh

                  =   19.62 (1.85m)

                   =36.297m/s

                 =6.02m/s

                c)     t= 2(2m)/9.8

                 =   0.40s

                 =0.638s