A car drives 25 m/sec around a 35 m, 50o corner in 6.2 seconds. Find the magnitude of the force that's keeping the car on the road.
25 m/sec is what?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A car drives 25 m/sec around a 35 m, 50o corner in 6.2 seconds. Find the magnitude of the force that's keeping the car on the road.
vt = 25 m/sec
35 m is what?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A car drives 25 m/sec around a 35 m, 50o corner in 6.2 seconds. Find the magnitude of the force that's keeping the car on the road.
vt = 25 m/sec s = 35 m
50o is what?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A car drives 25 m/sec around a 35 m, 50o corner in 6.2 seconds. Find the magnitude of the force that's keeping the car on the road.
vt = 25 m/sec s = 35 m θ = 50o
6.2 seconds is what?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A car drives 25 m/sec around a 35 m, 50o corner in 6.2 seconds. Find the magnitude of the force that's keeping the car on the road.
vt = 25 m/sec s = 35 m θ = 50o t = 6.2 seconds
One of the above variables cannot be used as it is. Which one?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A car drives 25 m/sec around a 35 m, 50o corner in 6.2 seconds. Find the magnitude of the force that's keeping the car on the road.
vt = 25 m/sec s = 35 m θ = 50o(6.28 rad/360o) = .87 rad t = 6.2 seconds
What variable are you supposed to find?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A horse on a merry-go-round is 3.56 m from the center of the merry-go-round. If the merry-go-round goes around 65 times in 75 seconds, find what its acceleration?
3.56 m is what?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A horse on a merry-go-round is 3.56 m from the center of the merry-go-round. If the merry-go-round goes around 65 times in 75 seconds, find what its acceleration?
r = 3.56 cm
What is 65 times?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A horse on a merry-go-round is 3.56 m from the center of the merry-go-round. If the merry-go-round goes around 65 times in 75 seconds, find what its acceleration?
r = 3.56 m θ = 65 times
What is 75 seconds?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A horse on a merry-go-round is 3.56 m from the center of the merry-go-round. If the merry-go-round goes around 65 times in 75 seconds, find what its acceleration?
r = 3.56 m θ = 65 times t = 75 seconds?
What variable are you trying to find?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A horse on a merry-go-round is 3.56 m from the center of the merry-go-round. If the merry-go-round goes around 65 times in 75 seconds, find what its acceleration?
r = 3.56 m θ = 65 times t = 75 seconds? ac = ?
One of the above variables cannot be used as it is. Which one?
s (arc length)
r (radius)
θ (angular displacement)
ω (angular speed)
α (angular acceleration)
vt (tangential speed)
at (tangential acceleration)
ac (centripetal acceleration)
Fc (centripetal force)
Fg (gravitational force)
t (time)
A horse on a merry-go-round is 3.56 m from the center of the merry-go-round. If the merry-go-round goes around 65 times in 75 seconds, find what its acceleration?
r = 3.56 m θ = 65 times(6.28 rad/1 time) = 408.2 rad t = 75 seconds? ac = ?
In order to find ac, what else must you first calculate?