Question

if is the velocity of a partiele moving in a straight line and a la acceleration of the
partiele, then the speed of the partiele would be decreasing if
#
#0
0 None of the above​

Answer 1

Answer:

Slope

ds

dv

=

30

−20

=

3

−2

∴ Slope

30−15

0−v

∣

∣

∣

∣

∣

s=15

=

3

−2

⟹v

∣

∣

∣

∣

∣

s=15

=10m/s

Using a=v

ds

dv

∴ a

∣

∣

∣

∣

∣

s=15

=v

∣

∣

∣

∣

∣

s=15

×

ds

dv

=10×

3

−2

=

3

−20

m/s

2