Physics Middle School

The woman was standing on a cliff 30 meters above where she landed. There was a safety fence 4 meters from the cliff edge that would have prevented her from taking a long distance to run and leap off the cliff. She landed 12 meters away from the base of the cliff. Her launch speed was calculated to be 4.86 m/s, meaning that to travel those 12 meters, she had to be traveling at 10.87 miles per hour (or moving faster than a runner at a 5.5 minute mile pace) as she left the cliff. Put all this information together. Why did forensic scientists determine that the woman’s body was thrown instead of concluding that she jumped off the cliff?

Answers

Answer 1

Answer:

Forensic scientists determined that the woman’s body was thrown off the cliff because after considering the velocity and angle of the projectile needed in relationship to the cliff she could not have reached those speeds and cleared the safety fence 4m away from the cliff’s edge. She would have been going faster than a 5.5 minute mile pace and she was not an athletic person.

** Just make sure to change the format and/or wording. Hope I was helpful :-)

Answer 2

The woman’s body was thrown instead of concluding that she jumped off the cliff as there has more initial speed than regular which is provided during throw.

What is projectile motion?

When a particle is hurled obliquely near the surface of the earth, it travels along a curved path while accelerating continuously in the direction of the planet's center (we assume the particle stays close to the surface of the globe). Such a particle's motion is known as projectile motion, and its route is referred to as a projectile.

Given: She landed 12 meters from the cliff's base.

And when she jumped off the cliff, her estimated launch speed was 10.87 miles per hour. She could have avoided having to go a considerable distance in order to jump over the cliff by using the safety barrier that was 4 meters away.

Hence, Instead of drawing the conclusion that the woman leaped from the cliff, the body of the woman was flung since throwing provides more initial speed than usual.

Learn more about projectile motion here:

https://brainly.com/question/29761109

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Related Questions

A projectile is fired vertically upwards and reaches a height of 78.4 m. Find the velocity of projection and the time it takes to reach its highest point.

Answers

Answer:

1.) U = 39.2 m/s

2.) t = 4 seconds

Explanation: Given that the

height H = 78.4m

The projectile is fired vertically upwards under the acceleration due to gravity g = 9.8 m/s^2

Let's assume that the maximum height = 78.4m. And at maximum height, final velocity V = 0

Velocity of projections can be achieved by using the formula

V^2 = U^2 - 2gH

g will be negative as the object is moving against the gravity

0 = U^2 - 2 × 9.8 × 78.4

U^2 = 1536.64

U = sqrt( 1536.64 )

U = 39.2 m/s

The time it takes to reach its highest point can be calculated by using the formula;

V = U - gt

Where V = 0

Substitute U and t into the formula

0 = 39.2 - 9.8 × t

9.8t = 39.2

t = 39.2/9.8

t = 4 seconds.

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