jensenadam1417 jensenadam1417
  • 01-09-2017
  • Physics
contestada

Jumps at 8 m/s at a 30 degree angle above the horizontal. how long was she in the air?

Respuesta :

no8l no8l
  • 01-09-2017
vo = 8 m/s. g = 10 m/s^2
alpha = 30 degree
ask: x?

x = vo^2 sin ^2 alpha / g
x = 8 ^2 x 2 sin 30 cos 30 / 10
x =( 64 x2x 1/2x1/2√3 )/ 10
x= 3.2 √3 metres

√3 = 1.73
Answer Link

Otras preguntas

how did the civil war affect industries in the north?
why do historians need archaeologists and anthropologists to study prehistory
olivia goes to egypt and saw a model of a pyramid. She enlarged it using a scale factor of 1.2. What will be the perimeter and area of the new triangle pyramid?
Use the given endpoint R and midpoint M to line RS to find the coordinates of the other endpoint S. R(6,-2) M(5,3)
if you solve an equation by graphing each side as a separate line, which of the following corresponds to the solution of the equation?
Which best describes the way photographs are considered by historians? A)primary source documents that are useful in the study of history B)reliable sources for
how do you turn 12.576 into expanded form please explain
the english civil war was the result of a) england wanting freedom of religion. b) a military attempt by France to overthrow the english government. c) the king
What is a OT therapist
M is the midpoint of CF (line over it) for the points C(3,4) and F(9,8). Find MF