Phscs 121 Study guides, Class notes & Summaries

PHSCS 121 Final Exam Questions with Correct Answers a driver who is protected by an air bag during a head-on collision is less likely to be seriously injured than an unprotected driver. this is because the airbag - Answer-increases the time interval over which the impulse is experienced 9cm a bullet moving horizontally strikes and sticks in a block of wood that is free to move on the horizontal, level, frictionless surface. the block has a much greater mass than the bullet. what become...

PHSCS 121 Final Exam Questions All Solved a driver who is protected by an air bag during a head-on collision is less likely to be seriously injured than an unprotected driver. this is because the airbag - Answer -increases the time interval over which the impulse is experienced 9cm a bullet moving horizontally strikes and sticks in a block of wood that is free to move on the horizontal, level, frictionless surface. the block has a much greater mass than the bullet. what becomes of most ...

Phscs 121 Exam 2 Exam Questions All Solved Newton's 1st Law - Answer -Every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is normally taken as the definition of inertia. The key point here is that if there is no net force acting on an object (if all the external forces cancel each other out) then the object will maintain a constant velocity. If that velocity is zero, then the object remains at ...