0%

Question 1 of 12

1. In this problem, the motion of how many bodies needs to be studied?

Question 1 of 12

Question 2 of 12

2. Which of the following are the horizontal and the vertical types of motion of the capybara?

Question 2 of 12

Question 3 of 12

3. Select all the variables of the problem that are known

Question 3 of 12

Question 4 of 12

4. Take \(x\) to be the horizontal position and \(y\) the vertical position. Which of the following equations are relevant in this exercise? (Hint: The equations should be not only correct but also useful.)

Question 4 of 12

Question 5 of 12

5. We can take the horizontal motion equation, solve for \(v_{ix}\), and replace the numerical values. We don't need any more equations nor algebra.

Question 5 of 12

Question 6 of 12

6. The time of the vertical motion and the horizontal motion is the same.

Question 6 of 12

Question 7 of 12

7. Take the following coordinate system:

 

Take the previous equation for vertical motion with \(H\) the height of the mound, \(L\) the creek's width, and \(g\) the gravity acceleration; then, solve for \(t\). Which of the following equations is equivalent to yours?

Question 7 of 12

Question 8 of 12

8. Which of the following conditions best represents the minimum initial speed of the capybara to get to the other side of the creek?

Question 8 of 12

Question 9 of 12

9. Take the previous conditions and the following coordinate system:

Connect the correct values to the variables.
\(x_f\)
L = 2 m

Unselect

H = 3 m

Unselect

g = 9.8 m/s\(^2\)

Unselect

0 m

Unselect

0 m/s

Unselect

Unknown

Unselect

0 m

Unselect

g = -9.8 m/s\(^2\)

Unselect

\(y_f\)
L = 2 m

Unselect

H = 3 m

Unselect

g = 9.8 m/s\(^2\)

Unselect

0 m

Unselect

0 m/s

Unselect

Unknown

Unselect

0 m

Unselect

g = -9.8 m/s\(^2\)

Unselect

\(x_i\)
L = 2 m

Unselect

H = 3 m

Unselect

g = 9.8 m/s\(^2\)

Unselect

0 m

Unselect

0 m/s

Unselect

Unknown

Unselect

0 m

Unselect

g = -9.8 m/s\(^2\)

Unselect

\(y_i\)
L = 2 m

Unselect

H = 3 m

Unselect

g = 9.8 m/s\(^2\)

Unselect

0 m

Unselect

0 m/s

Unselect

Unknown

Unselect

0 m

Unselect

g = -9.8 m/s\(^2\)

Unselect

\(v_{ix}\)
L = 2 m

Unselect

H = 3 m

Unselect

g = 9.8 m/s\(^2\)

Unselect

0 m

Unselect

0 m/s

Unselect

Unknown

Unselect

0 m

Unselect

g = -9.8 m/s\(^2\)

Unselect

\(v_{iy}\)
L = 2 m

Unselect

H = 3 m

Unselect

g = 9.8 m/s\(^2\)

Unselect

0 m

Unselect

0 m/s

Unselect

Unknown

Unselect

0 m

Unselect

g = -9.8 m/s\(^2\)

Unselect

\(a_{y}\)
L = 2 m

Unselect

H = 3 m

Unselect

g = 9.8 m/s\(^2\)

Unselect

0 m

Unselect

0 m/s

Unselect

Unknown

Unselect

0 m

Unselect

g = -9.8 m/s\(^2\)

Unselect

extra
L = 2 m

Unselect

H = 3 m

Unselect

g = 9.8 m/s\(^2\)

Unselect

0 m

Unselect

0 m/s

Unselect

Unknown

Unselect

0 m

Unselect

g = -9.8 m/s\(^2\)

Unselect

Question 9 of 12

Question 10 of 12

10. Replace the time equation we found before in the inequation of the minimum initial speed condition. Take this minimum value as \(v_{ix}^{min}\). Which of the following equations is equivalent to yours?

Question 10 of 12

Question 11 of 12

11. Select the statements that are true.

Question 11 of 12

Question 12 of 12

12. Replace the values of the variables in the last equation we found. The minimum initial speed the capybara needs to get safely to the other side of the creek is m/s.

Question 12 of 12