lilsLeviajohnso lilsLeviajohnso

24-11-2016
Physics

contestada

The position vector for a particle moving on a helix is c(t)= (cost, sint, t^2). Find the speed of the particle at time t = 4pi

Respuesta :

scme1702 scme1702

27-11-2016

We differentiate the position vector to obtain the velocity vector:
v(t) = (-sin(t), cos(t), 2t)
Now, substituting 4π
v(t) = 0, 1, 8π

We calculate the magnitude of the velocity to obtain the speed:
s = √(0² + 1² + (8π)²)
s = 25.2

Answer Link

Otras preguntas

Choose the appropriate pronoun. General Eisenhower, _____ made many military decisions, became president of the United States. who which

-5g - 6 for g= -2 A. 4 B. 16 C. 10 D. -13

During the 19th century, the United States ability to remain isolated from European affairs was largely due to its A. lack of cultural identity. B. economic ins

A ____ is the way society uses technology to provide for the needs of its members. a. dyad c. secondary group b. social category d. subsistence strategy

An insect lands on a compact disc that is put into a player.If the insect spins with the disc,is the insect accelerating? why or why not.

What was the Manhattan Project? A. the last Japanese military offensive B. a secret U.S. project to develop nuclear bombs C. a Soviet Union military plan for co

How do I find the unit rate? $253 for 20 hours

Argumentare că textul "Popa Tanda" este o nuvelă. Vă rog

Molecules that are too large to be moved through the cell membrane can be transported into the cell by A. diffusion. B. osmosis. C. endocytosis. D. exocytosis.

What is the factors of 16