Which object has the greatest kinetic energy?(1 point)%0D%0AResponses%0D%0A%0D%0Aa green car with a mass of 500kg moving at 21 m/s%0D%0Aa green car with a mass of 500kg moving at 21 m/s%0D%0A%0D%0Aa blue car with a mass of 500 kg moving at 30 m/s%0D%0Aa blue car with a mass of 500 kg moving at 30 m/s%0D%0A%0D%0Aa yellow car with a mass of 500 kg moving at 12 m/s%0D%0Aa yellow car with a mass of 500 kg moving at 12 m/s%0D%0A%0D%0Aa red car mass of 500 kg moving at 3 m/s%0D%0Aa red car mass of 500 kg moving at 3 m/s

Question

Which object has the greatest kinetic energy?(1 point)%0D%0AResponses%0D%0A%0D%0Aa green car with a mass of 500kg moving at 21 m/s%0D%0Aa green car with a mass of 500kg moving at 21 m/s%0D%0A%0D%0Aa blue car with a mass of 500 kg moving at 30 m/s%0D%0Aa blue car with a mass of 500 kg moving at 30 m/s%0D%0A%0D%0Aa yellow car with a mass of 500 kg moving at 12 m/s%0D%0Aa yellow car with a mass of 500 kg moving at 12 m/s%0D%0A%0D%0Aa red car mass of 500 kg moving at 3 m/s%0D%0Aa red car mass of 500 kg moving at 3 m/s

Answer 1

The object with the greatest kinetic energy is the blue car with a mass of 500 kg moving at 30 m/s.

Answer 2

To determine the object with the greatest kinetic energy, we need to calculate the kinetic energy for each option.

The formula for kinetic energy is:

KE = (1/2) * mass * velocity^2

Now let's calculate the kinetic energy for each object:

1. Green car with a mass of 500 kg moving at 21 m/s:
KE1 = (1/2) * 500 kg * (21 m/s)^2

2. Blue car with a mass of 500 kg moving at 30 m/s:
KE2 = (1/2) * 500 kg * (30 m/s)^2

3. Yellow car with a mass of 500 kg moving at 12 m/s:
KE3 = (1/2) * 500 kg * (12 m/s)^2

4. Red car with a mass of 500 kg moving at 3 m/s:
KE4 = (1/2) * 500 kg * (3 m/s)^2

Now, let's solve each equation to find the respective kinetic energies:

1. KE1 = (1/2) * 500 kg * (21 m/s)^2 = 220,500 Joules
2. KE2 = (1/2) * 500 kg * (30 m/s)^2 = 225,000 Joules
3. KE3 = (1/2) * 500 kg * (12 m/s)^2 = 36,000 Joules
4. KE4 = (1/2) * 500 kg * (3 m/s)^2 = 2,250 Joules

From the calculations, we can see that the blue car with a mass of 500 kg moving at 30 m/s has the greatest kinetic energy of 225,000 Joules.

Answer 3

To determine which object has the greatest kinetic energy, we need to use the formula for kinetic energy:

Kinetic Energy = (1/2) * mass * velocity^2

First, let's calculate the kinetic energy for each object.

1. Green car with a mass of 500 kg moving at 21 m/s:
Kinetic Energy = (1/2) * 500 kg * (21 m/s)^2 = 220,500 J

2. Blue car with a mass of 500 kg moving at 30 m/s:
Kinetic Energy = (1/2) * 500 kg * (30 m/s)^2 = 225,000 J

3. Yellow car with a mass of 500 kg moving at 12 m/s:
Kinetic Energy = (1/2) * 500 kg * (12 m/s)^2 = 36,000 J

4. Red car with a mass of 500 kg moving at 3 m/s:
Kinetic Energy = (1/2) * 500 kg * (3 m/s)^2 = 2,250 J

Comparing the calculated kinetic energy values, we can see that the blue car with a mass of 500 kg moving at 30 m/s has the greatest kinetic energy, 225,000 J.