Why is D the correct answer for this multiple choice question?

In summary, a multiple choice question is a type of question that presents several answer options, with only one correct answer. To answer a multiple choice question, one must carefully read the question and all of the answer options and select the answer they believe is correct. Multiple choice questions can only have one correct answer, but some may have multiple correct options. They can be easier or harder depending on the individual and subject being tested. They can be used for a variety of subjects and levels, from elementary school to higher education.
  • #1
EF17xx
36
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Homework Statement



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Homework Equations


Fnet= Δp/Δt
p=mv

The Attempt at a Solution


p (before) = 0.4 x 5 = 2
p (after) = 0.4 x 3 = 1.2
Δp = 0.8
Δt = 0.2
Fnet= Δp/Δt
0.8/0.2 = 4N

Correct answer in textbook is D, I do not understand why?
 

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  • #2
Momentum is a vector. It has a direction.
 
  • #3
Thank you that makes sense :)
 

1. What is a multiple choice question?

A multiple choice question is a type of question that presents several answer options, with only one correct answer. It is commonly used in exams and assessments to test knowledge and understanding.

2. How do I answer a multiple choice question?

To answer a multiple choice question, you must carefully read the question and all of the answer options. Then, select the answer that you believe is correct. Some tips for answering multiple choice questions include eliminating obviously incorrect answers and using process of elimination.

3. Can multiple choice questions have more than one correct answer?

No, by definition, a multiple choice question can only have one correct answer. However, some multiple choice questions may have multiple correct answer options, in which case the question will specify how many answers to select.

4. Are multiple choice questions easier or harder than other types of questions?

This depends on the individual and the subject being tested. Some people find multiple choice questions easier because they have a higher chance of guessing the correct answer. However, others may find them more difficult because they require more critical thinking and analysis to choose the correct answer.

5. Can multiple choice questions be used for all subjects and levels?

Yes, multiple choice questions can be used for a variety of subjects and levels, from elementary school to higher education. They are most commonly used in subjects that have clear and objective answers, such as math and science, but can also be used in subjects that require more subjective thinking, such as literature or history.

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