Cricket Bat quiz 0% Question 1 of 10 1. Which of the following variables are known?The time of contactThe force exerted by the bat on the ballThe leaving angle of the ballThe bat's massThe ball's massThe ball's final speed The ball's initial speed Loading... Question 1 of 10Question 2 of 10 2. Which of the following diagrams best describes the situation in the prompt and helps to solve the problem? Loading... Question 2 of 10Question 3 of 10 3. Which of the following is the definition of momentum?\(\vec{p}=m\vec{v}\)\(\vec{p}=\vec{m}v\)\(\vec{p}=m\vec{a}\)\(\vec{p}=\vec{mv}\) Loading... Question 3 of 10Question 4 of 10 4. Which newton law best describes the momentum of the ball?None of themThird-newton motion lawFirst-newton motion lawSecond-newton motion law Loading... Question 4 of 10Question 5 of 10 5. Take into account the second law of motion. Which of the following is the equation that best describes the force?\(\vec{F}=\frac{d\vec{p}}{dt}\approx\frac{\Delta \vec{p}}{\Delta t}\)\(\vec{F}=\frac{d\vec{v}}{dt}\approx\frac{\Delta \vec{m}}{\Delta t}\)\(\vec{F}=\frac{d\vec{p}}{dt}\approx\frac{\Delta m}{\Delta t}\)\(\vec{F}=\frac{d\vec{p}}{dt}\approx\frac{\Delta \vec{v}}{\Delta t}\) Loading... Question 5 of 10Question 6 of 10 6. Now, we can replace the values of the time, the initial and final speed in the force equation, to know the force exerted by the bat to the ball.TrueFalse Loading... Question 6 of 10Question 7 of 10 7. Take into account the diagram at the beginning of this quiz. Which of the following equations best describes the final velocity?\(\vec{v}_f=|v_i|\cos45^o\mathbf{\hat{i}}+|v_i|\sin45^o\mathbf{\hat{j}}\)\(\vec{v}_f=|v_f|\cos45^o\mathbf{\hat{i}}+|v_f|\sin45^o\mathbf{\hat{j}}\)\(\vec{v}_f=\vec{v}_f\cos45^o\mathbf{\hat{i}}+\vec{v}_f\sin45^o\mathbf{\hat{j}}\)\(\vec{v}_f=|v_f|\sin45^o\mathbf{\hat{i}}+|v_f|\cos45^o\mathbf{\hat{j}}\) Loading... Question 7 of 10Question 8 of 10 8. Replace with the definition of momentum and the final velocities in the force equation. Which of the following equations is equivalent to yours?\(\vec{F}\approx\frac{m(|\vec{v}_f|~\mathbf{\hat{i}}+ |v_i|~\mathbf{-\hat{i}})}{\Delta t}\)\(\vec{F}\approx\frac{m(|\vec{v}_f|(\cos45^o~\mathbf{\hat{i}}+\sin45^o~\mathbf{\hat{j}})- |v_i|(\mathbf{-\hat{i}}))}{\Delta t}\)\(\vec{F}\approx\frac{m(|\vec{v}_f|(\sin45^o~\mathbf{\hat{i}}+\cos45^o~\mathbf{\hat{j}})+ |v_i|~\mathbf{\hat{j}})}{\Delta t}\)\(\vec{F}\approx\frac{m(|\vec{v}_f|~\mathbf{\hat{i}}+ |v_i|~\mathbf{\hat{j}})}{\Delta t}\) Loading... Question 8 of 10Question 9 of 10 9. Which of the following statements are true?The force decreases as the mass increases The force decreases as the initial speed increases The force increases as the time of contact decreases The angle with respect to the ground of the ball does not affect the value of the force Loading... Question 9 of 10Question 10 of 10 10. Replace the numerical values in the force equation. The force exerted by the bat on the ball is \(N \mathbf{\hat{i}}~+~\) \(N \mathbf{\hat{j}}\). Loading... Question 10 of 10 Loading... Maria Fernanda Morris2021-08-12T22:00:26-04:00 Related Posts Leaderboard Global November 11th, 2021 | 0 Comments PHY146 Assignments October 6th, 2021 | 0 Comments Latex issues with WPML September 9th, 2021 | 0 Comments Interactive Electric Plane September 7th, 2021 | 0 Comments Darts Quiz August 14th, 2021 | 0 Comments Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email. Δ
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