Question

the diagram below shows a speed time graph
(a) find the an expression in terms of v for acceleration
(b)the distance travelled by the object from 0 seconds in 80m. Find the value of v
(c)find the speed at t= 15 seconds​

Answer 1

Answer:

sinhx=

2

e

x

−e

−x

coshx=

2

e

x

+e

−x

sinh

2

x=cosh

2

x−1

sinh

2

x=sec

2

α−1=tan

2

α

⇒sinhx=tanα

cosechx=

sinhx

1

=cotα