Answer:
the first one is. hope helps
Answer:
30 km/h car
Step-by-step explanation:
From analysis the car traveling at 30 km/h has greater kinetic energy
we can deduce it from the expression of kinetic energy which is

Assuming the mass m= 1 kg
For the 30 km/h

For the 15 km/h

Though the kinetic energy is a function of mass and velocity, but from our analysis the faster moving object has more KE
I can’t see the photo send photo and maybe I can help
Answer:
1/4, 1/6 and 1/8(random)
Step-by-step explanation:
Kidding!
Take LCM and after that take random no. between 9/24 and -20/24. I took 6/24, 4/24 and 3/24, which I simplified