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

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. A cone is used to fill the cylinder with water. The radius of the cone
what is ectopic pregnancy​
Select the correct answer. If 21% of males and 15% of females in a given state play the guitar, what is the probability that a randomly selected subject in the
I need help pleaseee
Jamel bought 2 pounds of red apples and 3.2 pounds of green apples from the grocery store, where both kinds of apples are $1.65 a pound. How munch did Jamel spe
What was life like in the Mayan city states? ​
y-x=14 y-x=5 using elimination
7.What is the solution to the equation shown below?2/3x+5=1​
An adult ticket to an exhibition costs $5 while a child's ticket costs $2. If the number of children going to the exhibition was 3 more than the number of adult
I need help with the 3 questions on the left corner :((