How fast must an object move before its length appears to be contracted to one-fourth its proper length? (Give your answer in terms of c.)
How fast must an object move before its length appears to be contracted to one-fourth its...
How fast must an object move in order to have a kinetic energy that is 3.19 times its rest energy? Express your answer as a fraction of the speed of light to three decimal places.
How fast must an object be going if its rest length is 3.4 times as long as its observed length?
How fast must an electron move so that its total energy is 17% more than its rest mass energy? Give your answer as a fraction of c. Express your answer using three significant figures.
How fast would an object have to travel for its length to appear three-quarters of its proper length?
question number 3 please show all steps so i can break it down for
practice. thank you
multiple of the speed of light, c. You may ignore the effects of acceleration.) (b) How long would that trip take according to an observer that remained on Earth? 3. How fast must an object move before its length appears to be contracted to one-quarter its proper length? 4. According to an observer on Earth, a space-ship that travels past at 0.8c is...
How fast must an electron move so that its total energy is 14 % more than its rest mass energy? Express your answer as a fraction of c.
How fast must an object travel for its total energy to be 55% more than its rest energy? Answer in c.
How fast must an object travel for its total energy to be 75% more than its rest energy? Please answer in c. 0.856c is wrong. Thank you!
a) How fast must an object travel for its total energy to be 10 % more than its rest energy? b) How fast must an object travel for its total energy to 90 % more than its rest energy?
6. How fast must an object travel for its total energy to be 80% more than its rest energy? C