Question

solve this plsssssssssssssssssssss
v urgent plsssssss
ticked one ​
I will mark u as brainliest

Answer 1

I dont know the 2nd one but I solved the last two

Answer 2

(1)
Slope of the graph will give the initial acceleration of the car,
Acceleration of car = a = 60/12 = 5 m/s^2

(2)
now we know that,
initial velocity = 0
initial acceleration = 0
Using formula V = Vo + a t
where V = final velocity & Vo = initial velocity,

V = Vo + a t
30 = 0 + 5 t
t = 30/5 = 6 seconds

At 6th second, velocity of car and scooter is same.

(3)
For scooter,
Ds = Vs * t = 30 * 12 = 360 metres

For car,
Dc = Vo t + (1/2)(a t^2)
Dc = 0 + (1/2)(5*12*12)
Dc = 5*6*12
Dc = 360 metres

Difference = Dc - Ds = 360 - 360 = 0 metres

(4)
Dc - Ds = 120
60*t - 30*t = 120
30*t = 120
t = 120/30
t = 4 s

t' = t + 12
t' = 4 + 12
t' = 16 seconds