Physics, 16.06.2021 20:30 jwoodsk7598
A girl of mass 48kg is rescued from a building fire by leaping into a firefighters' net. The window from which she leapt was 12 metres above the net. She lands in the net so that she is brought to a stop in 0.45 seconds. During this interval,
a) What is her change in momentum?
b) What is the impulse on the net due to girl?
c) What is the average force on the net due to girl?
Answers: 1
Another question on Physics
Physics, 22.06.2019 17:40
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
Physics, 23.06.2019 01:00
What is the frequency if a wave that pases a given pount 22 times in 2 seconds
Answers: 1
Physics, 23.06.2019 02:10
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 3.00 ms . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
Answers: 1
Physics, 23.06.2019 04:00
Only 3% of the water on earth is usable by humans. even though that 3% is through the water cycle, we still need to be careful not to waste water.
Answers: 2
You know the right answer?
A girl of mass 48kg is rescued from a building fire by leaping into a firefighters' net. The window...
Questions
Mathematics, 19.09.2019 20:50
Chemistry, 19.09.2019 20:50
Biology, 19.09.2019 20:50
English, 19.09.2019 20:50
Mathematics, 19.09.2019 20:50
Mathematics, 19.09.2019 20:50
History, 19.09.2019 20:50
Mathematics, 19.09.2019 20:50
Mathematics, 19.09.2019 21:00
History, 19.09.2019 21:00
Mathematics, 19.09.2019 21:00
Chemistry, 19.09.2019 21:00
