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

Why are some neighborhoods ambivalent towards gangs?
What is the sum and classification of 3/10 and square root of 10
(a) starting with solid sucrose, c12h22o11, describe how you would prepare 250 ml of a 0.250 m sucrose solution. (b) de- scribe how you would
The first outward sign of puberty in a typical girl is _____. a. the development of muscular strength b. an increase in weight c. the onset of nippl
why do you think that Douglas family does not agree or support the his decision to be Phyllis caretaker
WILL GIVE A BRAINLEST What is a wetland? an ecosystem in which plant roots are submerged during some part of the year an ecosystem in which half the area is wet
One online encyclopedia stands above all others in its ease of use and seemingly endless collection of knowledge. However, the online encyclopedia is really an
Round 199.532 to the nearest tenth. A) 199.5 B) 199.53 C) 199.532 D) 199.533
why are metals malleable,ductile,and good conductors
A compound is found to consist of 2.89 g of calcium and 5.11 g of chlorine. what is the percent by mass of calcium in the compound