Question

In: Math

A kite 75 ft above the ground moves horizontally at a rate of 12 ft/s. At...

A kite 75 ft above the ground moves horizontally at a rate of 12 ft/s. At what rate in ft/s is the angle between the string (diagonal) and horizontal decreasing when 200 ft of string has been let out?

Solutions

Expert Solution


Related Solutions

A kite is stuck in a tree 40 ft above the ground I am reeling in...
A kite is stuck in a tree 40 ft above the ground I am reeling in the string at a rate of 5 ft/min a) how fast is my distance from the tree changing when i am 30 ft from the tree? b) how fast is the angle of elevation changing at the same time?
A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. A...
A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. A rope is wound around the cylinder and its free end is attached to a block of mass 75.5 kg that rests on a platform. The cylinder has a mass of 205 kg and a radius of 0.350 m. Assume that the cylinder can rotate about its axis without any friction and the rope is of negligible mass. The platform is suddenly removed from under...
An object is launched horizontally with a speed of 78.8 m/s. It lands on the ground...
An object is launched horizontally with a speed of 78.8 m/s. It lands on the ground 19.6 m from where it was launched. How high above the ground was it launched from? Report your answer in SI units, rounded to two decimal places.
A 6.00​-ft-tall man walks at 7.00 ​ft/s toward a street light that is 15.0 ft above...
A 6.00​-ft-tall man walks at 7.00 ​ft/s toward a street light that is 15.0 ft above the ground. At what rate is the end of the​ man's shadow moving when he is 10.0 ft from the base of the​ light? Use the direction in which the distance from the street light increases as the positive direction.
You launch a projectile horizontally from a building 29.5 m above the ground at another building...
You launch a projectile horizontally from a building 29.5 m above the ground at another building 40.6 m away from the first building. The projectile strikes the second building 14.0 m above the ground. What was the projectile s launch speed? 22.84 m/s 16.56 m/s 24.03 m/s 30.04 m/s
A 6.0-ft-tall girl stands on level ground. The sun is 23 ∘ above the horizon. How...
A 6.0-ft-tall girl stands on level ground. The sun is 23 ∘ above the horizon. How long is her shadow? Express your answer using two significant figures. b) A 5.0-m-wide swimming pool is filled to the top. The bottom of the pool becomes completely shaded in the afternoon when the sun is 25 ∘above the horizon. How deep is the pool? Express your answer using two significant figures.
A ball is thrown upward with an initial velocity of 32 ft/sec from a tower 48 feet above ground
  A ball is thrown upward with an initial velocity of 32 ft/sec from a tower 48 feet above ground. Assume that the only force affecting the ball during travel is from gravity, which produces downward acceleration of 32 ft/sec^2. Then The maximum height reached by the ball is: ____________________ The ball hits the ground at time t; _____________________
The distance s(in m) above the ground for a projectile fired vertically upward with a velocity...
The distance s(in m) above the ground for a projectile fired vertically upward with a velocity of 4(a) m/s as a function of time t(in s) is given by s=4(a)t-4.(b)t2 a= 6 b=9 Find the answers to these questions 1. find t for v=0 2. find v for t=4 3. find v for t=5 what conclusions can you draw?
An object’s position above the ground, s(t), in meters, after t seconds is given by s(t)...
An object’s position above the ground, s(t), in meters, after t seconds is given by s(t) = 16t2+120t+6. (a) What is the position of the object at time t = 3 seconds? ( b) Find the velocity of the object as a function of t. (c) Find the object’s acceleration at any time t. (d) When is the velocity of the object 56 m/s? (e) Find the position of the object at the time when the velocity is 56 m/s....
A person jumps odd the top of a building which is 12 metres above ground. She...
A person jumps odd the top of a building which is 12 metres above ground. She is attached to the end of the bungie cord (a big rubber band) that has an unstretched length of 6 metres. The cord stretches until the physics major is stopped 2 metres above the ground. She then bounces back upward and begins oscillating (bouncing up and down). The student's mass is 55kg. Ignore air resistance. a) what is student's total energy after oscillations begin?...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT