Jehnuninemmae Jehnuninemmae
  • 20-10-2016
  • Physics
contestada

If an athlete executing a long jump leaves the ground at a 30° angle and travels 7.80 m, what was the takeoff speed

Respuesta :

sakarpathak111
sakarpathak111 sakarpathak111
  • 20-10-2016
R=u^2 sin2x / g
7.8=u^2 sin2*30 /10
u=9.5m/s
Answer Link

Otras preguntas

-1/6 + 2/3( 9 - 3/4 ) - 1/2
Variable y varies directly with variable x, and y = 48 when x = 8. What is the value of y when x = 4? y =
Tools used by geologists
Terangkan peran sistem pembayaran dalam perekonomian!
The British had a large number of Italian mercenaries. A. True B. False The British had a large number of Italian mercenaries. A. True B. False
This reaction is an explosive reaction of a strong acid combining with a strong base. H2SO4 + 2NaOH → 2H2O + Na2SO4 Which compounds are the reactants and which
Solve the quadratic equation y^2-5y=-4 by factoring.
Describe the rule you need in order to divide a fraction.
Which civil rights leader, born free in Massachusetts, was the first African American to earn a doctoral degree from Harvard? A. W.E.B. DuBois B. George Washing
which is larger 2in or 3,526yd