subject
Physics, 16.06.2021 20:40 daemonacoster

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?

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 09:00
When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.
Answers: 1
question
Physics, 22.06.2019 10:00
There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.
Answers: 1
question
Physics, 22.06.2019 14:30
Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia
Answers: 2
question
Physics, 22.06.2019 15:30
Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
Answers: 1
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
Questions on the website: 13722360