R = 25 cm = 0.25 m
α = 2.00 rad /s²
T(heta) = 4 π
ω = T(heta)/ t
ω = α t
α t = 4 π / t
t ² = 2 π
t = √ ( 2π ) = 2.5 s
ω = α t = 2 · 2.5 = 5 rad/s
v = ω r = 5 · 0.25 = 1.25 m/s
(1) a (rad) = ω² r = 25 · 0.25 = 6.25 m/s²
(2) a (rad) = v² / r = ( 1.25 )² / 0.25 = 0.15625 / 0.25 = 6.25 m/s²
Answer:
15 times the first equation and -12 times the second equation
Step-by-step explanation:
we have
------> first equation
------> second equation
Multiply the first equation by 15 both sides
-----> new first equation
Multiply the second equation by -12 both sides
-----> new second equation
Adds the two new equations
The y-term was eliminated
The farmer planted 124,350 more than last year.
Answer:
210
Step-by-step explanation:
LCM of 42sec and 30 sec=210 sec
