Acceleration of a plane and the g-force

In summary: Once you have that, you can use Newton's second law to find the force produced by the catapult. Finally, the acceleration of the plane can be found using the definition of acceleration. As for the "g-force" on the pilot, it can be calculated by dividing the acceleration of the plane by the acceleration due to gravity (9.8 m/s^2). In summary, the force produced by the catapult can be found by calculating the change in kinetic energy of the plane, the acceleration of the plane can be found using Newton's second law, and the "g-force" on the pilot can be calculated by dividing the acceleration of the plane by the acceleration due to gravity.
  • #1
strayaway
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0
Acceleration of a plane and the "g-force"

Homework Statement


Steam catapults are used to launch aircraft. During the launch of a F/A-18 jet (mass: 16,770 kg) the catapult accelerates from 0 to 250 km/hr within 76m of deck length. Calculate the force produced by the catapult, the acceleration of the plane, and the Ek of the plane as it leaves the deck. What is the "g-force" on the pilot?

Homework Equations


Ek = 1/2 mv^2

The Attempt at a Solution


i have no clue how to even start this problem, sorry :l
 
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  • #2


Welcome to Physics Forums.
strayaway said:

Homework Statement


Steam catapults are used to launch aircraft. During the launch of a F/A-18 jet (mass: 16,770 kg) the catapult accelerates from 0 to 250 km/hr within 76m of deck length. Calculate the force produced by the catapult, the acceleration of the plane, and the Ek of the plane as it leaves the deck. What is the "g-force" on the pilot?


Homework Equations


Ek = 1/2 mv^2


The Attempt at a Solution


i have no clue how to even start this problem, sorry :l
It is probably easier to work backwards for this problem. Can you start by working out the kinetic energy of the plane as it leaves the deck as well as its initial kinetic energy? How is this change in kinetic energy related to the work done?
 

Related to Acceleration of a plane and the g-force

1. What is acceleration?

Acceleration is the rate of change of an object's velocity. It is the measure of how quickly the object's velocity is changing over time.

2. How is acceleration of a plane measured?

The acceleration of a plane is typically measured using an accelerometer, which is a device that measures the rate of change of the plane's velocity. It can also be calculated by dividing the change in velocity by the change in time.

3. What is g-force?

G-force is a measurement of the force that an object experiences due to acceleration. It is typically measured in multiples of the gravitational force on Earth, which is 9.8 m/s².

4. How does acceleration of a plane affect g-force?

The acceleration of a plane directly affects the g-force experienced by objects on the plane. As the plane accelerates, the g-force increases, and as the plane decelerates, the g-force decreases. During sharp turns or maneuvers, the acceleration and g-force can become much higher.

5. What are the effects of high g-forces on the human body?

High g-forces can cause physiological effects on the human body, such as loss of consciousness, disorientation, and strain on the cardiovascular system. Pilots and astronauts undergo special training to handle high g-forces during flight.

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