Friday
November 28, 2014

Homework Help: physics

Posted by kdhgwiu on Tuesday, February 26, 2008 at 4:24pm.

need help on this three part one
its about inelastic collisions momentum and energy related with work


Find the speed at which Superman (mass=76.0 kg) must fly into a train (mass = 17620 kg) traveling at 60.0 km/hr to stop it.


Running into the train at that speed would severely damage both train and passengers. Calculate the minimum time Superman must take to stop the train, if the passengers experience an average horizontal force of 0.430 their own weight.


How far does the train then travel while being slowed to a stop?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - Find the speed at which Superman (mass=89.0 kg) must fly into a train...
Physics - A bullet with a mass of 55 grams moving with a speed of 100 m/s slams ...
Physics - Find the speed at which Superman (mass=88.0 kg) must fly into a train...
Physics - Find the speed at which Superman (mass=88.0 kg) must fly into a train...
Physics - What is the difference between an inelastic and an elastic collision? ...
Physics Please check my answer - 1. Which of the following are conserved in a ...
physics-mechanics-collisions,momentum, impulse - You are at the controls of a ...
physics, please reply. - block 1 of mass 1 slides from rest along a frictionless...
Physics - Inelastic Collisions - The speed of a pitched baseball is 46.0m/s. You...
Physics - Inelastic Collisions - The speed of a pitched baseball is 46.0m/s. You...

Search
Members