Bill drives and sees a red light. He slows down to a stop. A graph of his velocity over time is shown below.
2 answers:
You might be interested in
Answer:
α = 1.32 rad/s²
Explanation:
given,
diameter of the bicycle = 0.8 m
radius of the bicycle = 0.4 m
initial speed of the bicyclist,u = 0 m/s
final speed of the bicyclist,v = 22 Km/h = 22 x 0.278
= 6.12 m/s
time,t = 11.6 s
acceleration =
=
=0.53 m/s²
we know,
a = α r
α = 1.32 rad/s²
the angular acceleration of the wheels is equal to α = 1.32 rad/s²
Answer:
The corresponding dimensions will be "x = 300 & y = 60".
Explanation:
Available fencing = 600 ft
Fencing,
⇒
⇒
As we know,
⇒
On substituting the given values, we get
...(equation 1)
On differentiating with respect to y, we get
⇒
On putting the values of y in equation 1, we get
⇒
⇒
⇒
⇒
Dimensions of the rectangular area:
x = 300
y = 60