Astring under a tension of 36 n is used to whirl a rock in a horizontal circle of radius 3.6 m at a speed of 16.12 m/s. the string is pulled in, and the speed of the rock increases. when the string is 0.468 m long and the speed of the rock is 75.1 m/s, the string breaks.

6010.457N

Explanation:

Centripetal acceleration = a= V²/R

At a radius of 3.6m and velocity of 16.12m/s,

Acceleration is

a = 16.12²/ 3.6 = 72.182 m/s²

Force = Mass (m) * Acceleration (a)

36 = m * 72.182

m = 36/72.182

At breaking point

Radius = 0.468 m and Velocity = 75.1 m/s

a = V²/R = 75.1²/0.468

a = 12051.3 m/s

F = Mass(m) * Acceleration (a)

F = m * 12051.3

m = F/ 12051.3

Settings the ratio of mass equal

m = m

=> 36/72.182 = F/12051.3

F = 12051.3 * 36/72.182

F = 6010.457N

the gas collects in coils that then becomes a liquid that then flows through the coils inside the refrigerator

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it