Physics, 13.11.2019 05:31 shayambros
A72.5-kg person is riding in a car moving at 20.5 m/s (assume this is the positive direction) when the car runs into a bridge abutment. this problem will illustrate why the invention of the airbag dramatically improved the safety of automobiles. show answer incorrect answer 50% part (a) calculate the horizontal component of the average force, in newtons, on the person if he is stopped by a padded dashboard that compresses an average of 1.15 cm. calculate the horizontal component of the average force, in newtons, on the person if he is stopped by an air bag that compresses an average of 13.5 cm
Answers: 3
Physics, 22.06.2019 12:20
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
Physics, 22.06.2019 16:30
The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db
Answers: 3
Physics, 22.06.2019 17:30
Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity
Answers: 3
A72.5-kg person is riding in a car moving at 20.5 m/s (assume this is the positive direction) when t...
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