Problem 98 of 7
First rearrange K=1/2 mv^2 to solve for m, then evaluate it using K=100, v=5.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
solve symbolically first, then substitute.
Hidden until you reveal it.
Symbolic rearrangement must happen before substitution in the worked solution.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Solve the formula symbolically for the target.
2. Substitute the given values into the rearranged formula.
3. Compute the value and include units if the case supplies them.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Unsupported numeric guesses or substitution before isolating when it obscures the requested target.