# A 5-kg fish swimming at a velocity of 1 m/s swallows an absent-minded 1-kg fish swimming towards it 4 m/s. Wha tis the speed of the larger fish after lunch?

I found

We can use conservation of momentum in the

By signing up, you agree to our Terms of Service and Privacy Policy

To find the speed of the larger fish after lunch, we can use the principle of conservation of momentum.

The momentum before lunch is equal to the momentum after lunch.

The momentum of the larger fish before lunch is given by its mass (5 kg) multiplied by its velocity (1 m/s), which equals 5 kg*m/s.

The momentum of the smaller fish before lunch is given by its mass (1 kg) multiplied by its velocity (4 m/s), which equals 4 kg*m/s.

The total momentum before lunch is the sum of these individual momentums, which equals 5 kg*m/s + 4 kg*m/s = 9 kg*m/s.

Since momentum is conserved, the total momentum after lunch must also equal 9 kg*m/s.

Now, the larger fish has consumed the smaller fish, so their masses have combined.

The total mass after lunch is 5 kg (mass of the larger fish) + 1 kg (mass of the smaller fish) = 6 kg.

To find the velocity of the larger fish after lunch, we divide the total momentum (9 kg*m/s) by the total mass (6 kg).

So, the velocity of the larger fish after lunch is 9 kg*m/s divided by 6 kg, which equals 1.5 m/s.

Therefore, the speed of the larger fish after lunch is 1.5 m/s.

By signing up, you agree to our Terms of Service and Privacy Policy

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- A ball with a mass of #4 kg # and velocity of #3 m/s# collides with a second ball with a mass of #2 kg# and velocity of #- 1 m/s#. If #75%# of the kinetic energy is lost, what are the final velocities of the balls?
- How do force and momentum relate?
- What are some common mistakes students make with impulse?
- A ball with a mass of # 5 kg# is rolling at #6 m/s# and elastically collides with a resting ball with a mass of #3 kg#. What are the post-collision velocities of the balls?
- A fly splats on your windshield. What is the collision type?

- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7