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

what is 4x squared minus 3x to the 5th plus x
Where would you look for glacial grooves in the 300 million year old rock of Antartica?
2x-3y=8 -5x+2y=13 find The x coordinate
An object will remain at rest or maintain constant, straight-line motion unless acted on by a force that is ___________________.A.inertialB.balancedC.unbalanced
ALGEBRA! NEED HELP! A rectangular prism has a length of 8 inches and a width of 7 inches. The lateral area is 150 square inches. What is the height of the pris
what is 1/7 divided by 7
write 7340 in standard for
All of the following are necessary for a Neolithic culture to evolve into a civilization, EXCEPT
How does the number of atoms in one mole of argon compare with the number of molecules in one mole of ammonia
Benjamin is making bow ties . How many 1/2 yard-long bow ties can he make if he has 18 feet of fabric!