Kinematics by differentiation: check 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
A particle moves along a straight line with position \(s(t)=t^{3} - 12 t^{2} + 45 t + 17\) metres, for \(\displaystyle t\ge 0\) seconds.
Find the initial velocity in m/s.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Kinematics by differentiation: review variant 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
A particle moves along a straight line with position \(\displaystyle s(t)=\frac{t^{3}}{3} - \frac{5 t^{2}}{2} + 4 t + 18\) metres, for \(\displaystyle t\ge 0\) seconds.
Find the initial velocity in m/s.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Kinematics by differentiation: check 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
A particle moves along a straight line with position \(\displaystyle s(t)=\frac{t^{3}}{3} - \frac{5 t^{2}}{2} + 4 t + 18\) metres, for \(\displaystyle t\ge 0\) seconds.
Find the initial acceleration in \(\displaystyle \frac{m}{s^{2}}\).
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Kinematics by differentiation: review variant 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
A particle moves along a straight line with position \(\displaystyle s(t)=\frac{2 t^{3}}{3} - 8 t^{2} + 24 t + 19\) metres, for \(\displaystyle t\ge 0\) seconds.
Find the initial acceleration in \(\displaystyle \frac{m}{s^{2}}\).
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Kinematics by differentiation: check 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
A particle moves along a straight line with position \(\displaystyle s(t)=\frac{2 t^{3}}{3} - 8 t^{2} + 24 t + 19\) metres, for \(\displaystyle t\ge 0\) seconds.
Find the first positive time when the particle is at rest.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Kinematics by differentiation: review variant 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
A particle moves along a straight line with position \(\displaystyle s(t)=t^{3} - \frac{21 t^{2}}{2} + 36 t + 20\) metres, for \(\displaystyle t\ge 0\) seconds.
Find the first positive time when the particle is at rest.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Kinematics by differentiation: check 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
A particle moves along a straight line with position \(\displaystyle s(t)=t^{3} - \frac{21 t^{2}}{2} + 36 t + 20\) metres, for \(\displaystyle t\ge 0\) seconds.
Find the next time when the particle is at rest.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Kinematics by differentiation: review variant 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
A particle moves along a straight line with position \(\displaystyle s(t)=\frac{t^{3}}{3} - 2 t^{2} + 3 t + 21\) metres, for \(\displaystyle t\ge 0\) seconds.
Find the next time when the particle is at rest.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.