Practice Summary - 9.2 | 9. Laplace Transform of Unit Step Function | Mathematics - iii (Differential Calculus) - Vol 1
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the value of the unit step function \( u(t-2) \) at \( t=1 \)?

πŸ’‘ Hint: Remember that it equals 0 for times less than 'a'.

Question 2

Easy

State the general Laplace Transform formula for the unit step function.

πŸ’‘ Hint: Think about what parts relate to the shift and the function itself.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the value of the unit step function \( u(t-1) \) when \( t < 1 \)?

  • 0
  • 1
  • Undefined

πŸ’‘ Hint: Think back to the definition of the unit step function.

Question 2

The Laplace Transform of the unit step function \( u(t-a) \) is:

  • \\( \\frac{e^{-as}}{s} \\)
  • \\( \\frac{e^{as}}{s} \\)
  • \\( \\frac{1}{s} \\)

πŸ’‘ Hint: Use what you've learned about the exponential decay in transformation.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Formulate the Laplace Transform for the function \( e^{3t}u(t-2) \) and solve for its inverse.

πŸ’‘ Hint: Remember to adjust for the value of 'a' in the shifting.

Question 2

Solve \( y'' + 4y = u(t-1) \) using the Laplace transform and find the complete solution.

πŸ’‘ Hint: Consider the initial conditions you have with this equation.

Challenge and get performance evaluation