Consider a closed rectangular box with dimensions xx  ft by  yy  ft by zz ft. If xx  is increasing at the rate of  4ftmin4ftmin, yy is decreasing at the rate of  6ftmin6ftmin   and zz is increasing at the rate of 3ftmin3ftmin . At what rate is the box's main diagonal changing when xx = 10 ft  , yy = 16 ft and zz =5 ft.

Q: Find the value of x that will make perpendicular to . Give at least two decimal places when…

A:

Q: 2. A girl of height 120 cm is walking toward a light on the ground at a speed of 0.6 m/s. Her shadow…

A: Given,            A girl of height 120 cm is walking towards a light on the ground at a speed…

Q: a crane lifts a 1000 lb science desk to a height of 20 ft using a chain that weighs 2 lb/ft. If the…

A:

Q: Jack and Jill are 6th graders. Jill is on a merry-go-round that has a radius of 8 feet. Jack runs,…

A: Radius of the merry-go-round Angular velocity of the merry-go-round  (revolutions per minute)

Q: A man is moving away from a tow high at a rate of 2 m/s. If the eye l man is 1.6 m above the ground,…

A:

Q: Suppose an object is moving along a line such that the acceleration after t seconds is 6t -8t…

A:

Q: If a particle starts from rest, what constant acceleration is required to move the particle 50 mm in…

A:

Q: ∇×F=?   -24xz is incorrect！

A:

Q: A Plane (Plane A) travels North at a speed of 800 kph. after 15 minutes, another plane (plane B)…

A: Planes are moving same direction :

Q: Two commercial airplanes are flying at an altitude of 40,000 ft along straight-line courses that…

A: The distance between the two planes can be calculated as follows.

Q: Solve the diffgerential Eauation by Separating the Vaciables ex dy 2x %3D

A:

Q: c) Suppose a car drives at a speed of (5+ 3t ) m/s where t is time in seconds. How far did the car…

A: