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 senses that your body temperature went up?
Isotopes of elements have different: A.) atomic masses B.) atomic numbers C.) electron shells D.) numbers of protons
Why did rice become a chinese staple food during the tang dynasty? a.foods other than rice were available only to tang emperors. b.confucian philosophy mandat
On an average day, how much money is in vaults of the federal reserve bank of philadelphia?
Stefan has inherited a large amount of money and decides he wants to start a skateboard shop. He has money to invest up front, but he lacks business expertise.
a large bottle of dragon breath mouthwash costs $5.00 without tax and $5.30 after tax what is the percentage of the tax
PLEASE HELP!!!!!!  Is Vancouver (In Canada) or Indonesia richer?
Please help! This is really confusing.
Which of the following is a structure that is present in both eukaryotic and prokaryotic cells? A. Vacuole B. Nucleus C. Golgi complex D. Plasma Membrane
Mr Fedea wants to put weather stripping around the large windows of his house. Each window is 3 feet wide and 5 feet high.there are 11 of these windows in his h