Select the correct answer.

What is the momentum of a [tex]$1.5 \times 10^3$[/tex] kilogram van that is moving at a velocity of 32 meters/second?

A. 46.9 kilogram meters/second

B. [tex]$4.7 \times 10^3$[/tex] kilogram meters/second

C. [tex]$4.85 \times 10^2$[/tex] kilogram meters/second

D. [tex]$4.85 \times 10^4$[/tex] kilogram meters/second



Answer :

To determine the momentum of a given object, we use the formula:

[tex]\[ \text{Momentum} = \text{mass} \times \text{velocity} \][/tex]

In this particular problem:

- The mass of the van is \( 1.5 \times 10^3 \) kilograms.
- The velocity of the van is 32 meters/second.

Let's calculate the momentum step by step.

1. Identify the mass of the van:
[tex]\[ \text{mass} = 1.5 \times 10^3 \text{ kilograms} \][/tex]

2. Identify the velocity of the van:
[tex]\[ \text{velocity} = 32 \text{ meters/second} \][/tex]

3. Multiply the mass by the velocity to find the momentum:
[tex]\[ \text{Momentum} = (1.5 \times 10^3) \times 32 \][/tex]

When you multiply these values, you get:
[tex]\[ 1.5 \times 10^3 \times 32 = 48000.0 \text{ kilogram meters/second} \][/tex]

Thus, the momentum of the van is:

[tex]\[ 48000.0 \text{ kilogram meters/second} \][/tex]

Now, looking at the answers provided:

A. 46.9 kilogram meters/second
B. [tex]$4.7 \times 10^3$[/tex] kilogram meters/second
C. [tex]$4.85 \times 10^2$[/tex] kilogram meters/second
D. [tex]$4.85 \times 10^4$[/tex] kilogram meters/second

The correct answer matches the calculated value:

[tex]\[ D. 4.85 \times 10^4 \text{ Kilogram meters/second} \][/tex]

However, note that the correct scientific notation should be [tex]$4.8 \times 10^4$[/tex], but the correct choice among the given options closest to our result is:

[tex]\[ D. 4.85 \times 10^4 \text{ Kilogram meters/second} \][/tex]