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

Only about 10 percent of the energy in an organism is passed on to the next level of a food chain. look at this food chain: grass → rabbit → hawk what percentag
Please just these three questions based on the oicture
Explain what a mosaic is and then explain why the term fluid mosaic model is used to describe the plasma membrane
Electricity was especially valuable because it was a power source and because it Need a Hint?
The color of water how does james describe his mother
How clear is thoreau's position on ethics and morality what is most convincing to you?
How did the introduction of the horse to north america by the spanish change the lives of native americans? a. southwestern indians could plow their fields mor
The mayans’ ___________________ was/were very advanced for their time. a. astronomy d. a and c b. educational system e. all of the above c. mathematics
Express 3/4 degree in seconds
What is the area of this triangle? A=bh2 54 cm² 90 cm² 108 m² 216 m²