Answer: (a) (i)50.42 m/s (ii) 51.35 m/s (iii) 52.094 m/s (iv) 52.2614 m/s (v) 52.27814 m/s
(b) 54.14 m/s
Step-by-step explanation:
The average speed over the given time interval [a,b]: =
Given: If an arrow is shot upward on Mars with a speed of 56 m/s, its height in meters t seconds later is given by
(a)
(i) average speed =
m/s
(ii) average speed =
(iii) average speed =
(iv) average speed =
(v) average speed =
(b)
Answer:
600
if SP>CP,
It is profit [SP - CP = Profit]
if CP>SP,
It is loss [CP - SP = Loss]
Here in the question CP>SP so,
loss = CP - SP
=2500 - 1900
= 600
x-(x times 33%) or x times (100-33)%