Question

4 The speed of a car steadily decreases from 60 km/h to 30 km/h over 8 seconds.
a Show this on a graph. Plot time on the horizontal axis and speed on the vertical axis.
A second car starts from rest and at the end of 8 seconds is travelling at 50 km/h.
b Show the second car's speed on the same graph.
c When are the two cars travelling at the same speed? What is that speed?

Answer 1

Answer:

. ____________ are the impression of seals on plot

Step-by-step explanation:

Answer 2

Answer:

Isosceles triangle

Solve for area

A≈40.25cm²

b Base

12

cm

P Perimeter

30

cm