Question

Asked Dec 9, 2019

27 views

A plane touches down with 4576 ft of runway and an 82 foot safety zone. The planes lands going 131 knots. It brakes for 18 sec before initiating reverse thrust for an additional 11 sec. After the total 29 sec the plane leaves the safety zone and hits a car. (Diagram)

**What is the acceleration (a1) for the first 18 seconds?**

**What is the second acceleration (a2) for the 11 seconds?**

Step 1

the expression to calculate the acceleration is,

Step 2

substitute the known values,

Step 3

b)

the relation between the inital ...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using onl...

A: (a) The work done by the Walter on the object is

Q: A 10 kg Leadbrick is dropped from the top of a 629 m tall television transmitting tower in North Dak...

A: Mass of lead brick (m) = 10 kgHeight of the tower (h) = 629 metersPotential energy of the brick (PE)...

Q: 2. To measure the static friction coefficient between a 1.6-kg block and a vertical wall, the setup ...

A: At the equilibrium the net force in the horizontal direction and vertical directions are zero.Spring...

Q: An object located 32.0 cm in front of a lens forms an image on a screen 8.0 cm behind the lens. (a)F...

A: Given,

Q: A small statue is recovered in an archaeological dig. It's weight is measured to be 96 pounds and it...

A: Click to see the answer

Q: In the heliocentric model of the solar system, one planet passing another in its orbit gives rise to...

A: In heliocentric model, it is assumed that sun is the center of the solar system and all the planets ...

Q: For this question, how is initial vertical velocity is 0? Even though it does not say the rock has b...

A: In the question, the rock is dropped from the top of a vertical cliff. So, the initial velocity of t...

Q: In this problem take the speed of sound to be 341 m/s. How fast, in meters per second, does an ob...

A: Write the expression for apparent frequency using Doppler’s shift.

Q: 1) The diameter of the aluminum cylinder is measured to be: (4.935±0.003)cm. The hanging mass (paint...

A: Given:Diameter of aluminum cylinder is (d) = 4.935 ± 0.003 cm.Weight of bucket recorded (m) = 5.2977...