Homework Help is Here – Start Your Trial Now!
Science
Advanced Physics
Car manufacturers conduct crash tests on their cars in order to improve crash safety. In the event of a crash the head of any child travelling in the front seat can strike the glove compartment at considerable (relative) speed, even if the child is wearing a seat-belt. a. The manufacturers of a particular brand of car conduct head-on collision tests and find that in the absence of a passenger side air bag, a child's head (which has a mass of 2.1 kg) goes from a speed of 35 km/hr relative to the dashboard to 20 km/hr just after the collision, in the opposite direction. This collision lasts just 0.05 s. What is the magnitude of the average force exerted on the child's head during this collision? Force => -0 N b. The manufacturer wishes to reduce the average force involved in such a collision to 185N. In order to achieve this they install a passenger airbag on the front of the glove compartment which quickly inflates in the event of a crash and deflates as the child's head pushes into it, effectively increasing the amount of time it takes to slow the child's head (.e., the collision lasts longer). How long would the collision between the child's head and the airbag need to last to reduce the speed of the head relative to the dashboard from 35 km/hr to 0 km/hr without exceeding the average force quoted above? Time= S

Car manufacturers conduct crash tests on their cars in order to improve crash safety. In the event of a crash the head of any child travelling in the front seat can strike the glove compartment at considerable (relative) speed, even if the child is wearing a seat-belt. a. The manufacturers of a particular brand of car conduct head-on collision tests and find that in the absence of a passenger side air bag, a child's head (which has a mass of 2.1 kg) goes from a speed of 35 km/hr relative to the dashboard to 20 km/hr just after the collision, in the opposite direction. This collision lasts just 0.05 s. What is the magnitude of the average force exerted on the child's head during this collision? Force => -0 N b. The manufacturer wishes to reduce the average force involved in such a collision to 185N. In order to achieve this they install a passenger airbag on the front of the glove compartment which quickly inflates in the event of a crash and deflates as the child's head pushes into it, effectively increasing the amount of time it takes to slow the child's head (.e., the collision lasts longer). How long would the collision between the child's head and the airbag need to last to reduce the speed of the head relative to the dashboard from 35 km/hr to 0 km/hr without exceeding the average force quoted above? Time= S

icon
Related questions
Question
100%

ASAP PLZZ

Car manufacturers conduct crash tests on their cars in order to improve crash safety. In the event of a crash the head of any child travelling in the front seat can strike the glove compartment at considerable (relative) speed, even if the child is wearing a seat-belt. a. The manufacturers of a particular brand of car conduct head-on collision tests and find that in the absence of a passenger side air bag, a child's head (which has a mass of 2.1 kg) goes from a speed of 35 km/hr relative to the dashboard to 20 km/hr just after the collision, in the opposite direction. This collision lasts just 0.05 s. What is the magnitude of the average force exerted on the child's head during this collision? Force= N b. The manufacturer wishes to reduce the average force involved in such a collision to 185N. In order to achieve this they install a passenger airbag on the front of the glove compartment which quickly inflates in the event of a crash and deflates as the child's head pushes into it, effectively increasing the amount of time it takes to slow the child's head (.e., the collision lasts longer). How long would the collision between the child's head and the airbag need to last to reduce the speed of the head relative to the dashboard from 35 km/hr to 0 km/hr without exceeding the average force quoted above? Time= S
Transcribed Image Text:Car manufacturers conduct crash tests on their cars in order to improve crash safety. In the event of a crash the head of any child travelling in the front seat can strike the glove compartment at considerable (relative) speed, even if the child is wearing a seat-belt. a. The manufacturers of a particular brand of car conduct head-on collision tests and find that in the absence of a passenger side air bag, a child's head (which has a mass of 2.1 kg) goes from a speed of 35 km/hr relative to the dashboard to 20 km/hr just after the collision, in the opposite direction. This collision lasts just 0.05 s. What is the magnitude of the average force exerted on the child's head during this collision? Force= N b. The manufacturer wishes to reduce the average force involved in such a collision to 185N. In order to achieve this they install a passenger airbag on the front of the glove compartment which quickly inflates in the event of a crash and deflates as the child's head pushes into it, effectively increasing the amount of time it takes to slow the child's head (.e., the collision lasts longer). How long would the collision between the child's head and the airbag need to last to reduce the speed of the head relative to the dashboard from 35 km/hr to 0 km/hr without exceeding the average force quoted above? Time= S
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer