5. A balloon is descending with a constant acceleration of 13.5 ft/s2. The weight of the balloon with its basket and contents is 400 lb. How many pounds of ballast must be released so that the balloon will accelerate upward with a constant rate of 13.5 ft/s2?

5. A balloon is descending with a constant acceleration of 13.5 ft/s2. The weight of the balloon with its basket and contents is 400 lb. How many pounds of ballast must be released so that the balloon will accelerate upward with a constant rate of 13.5 ft/s2?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter4: Dynamics: Force And Newton's Laws Of Motion

Section: Chapter Questions

Problem 7PE: (a) If the rocket sled shown in Figure 4.32 starts with only one rocket burning, what is the...

See similar textbooks

Related questions

Q: A force is applied to the bottom block, so that it accelerates at 8.00 m/s2 [E]. There is friction…

A: Given: The acceleration is a'=8 m/s2. The mass of the top block is m=2 kg. The mass of the bottom…

Q: 9 An empty elevator has a weight of 7000 N. The elevator is moving upward at 8ms". It slows to a…

A: 9. Here we are dealing with an accelerating elevator. Due to the acceleration of the elevator, it…

Q: P 25.0° A 55.0 kg block is pulled along a frictionless surface with a force P, exerted at an angle…

A: (a) In order to lift the block the force should be applied against the force of gravity, hence the…

Q: Suppose you move a 15-kg crate by pulling upward on the chain at an angle of 45 degrees above the…

Q: Q2. Let's calculate the force on the flying bird. For a parrot to fly, the parrot needs to come up…

A: For a bird to fly with constant velocity: Thrust= drag force Lift = weight Drag force = 12ρv2CDA =…

Q: 70. A 1450-kg submarine rises straight up toward the surface. Seawater exerts both an upward buoyant…

Q: 46. ||| Figure P5.46 D shows two 1.00 kg blocks connected by a rope. A second rope hangs beneath the…

Q: 1. An elevator and its load has a total mass of 850 kg. The elevator is moving downwardly at 8.50…

Q: (2) A parachutist is falling at a steady rate of 6 m/s. If the combined mass of the parachutist and…

A: mass = 90 kg falling at a steady rate = 6 m/s

Q: a 10 kg body is suspended vertically by a cord. the tension on the cord is A. 5N B. 10 N C. 98 N D.…

Q: 3. An object is suspended by two ropes from a ceiling and a wall as shown. What is the tension, T,…

Q: 14. A sheet of paper can be withdrawn from under the bottle of milk without toppling it if the paper…

A: 14. (C) Inertia Bottle of milk has inertia and hence it will notove unless a big enough force acts…

Q: 9. A2 kg mass moving along a horizontal surface at 10 m/s is acted upon by a 5 N force of friction.…

A: 9) Net force = - 5 N (as friction is always acting against the direction of motion)10)acceleration =…

Q: What's the tension on Rope 1?

A: Given information:Mass of the blocks (M) = 1 kgMass of the rope (m) = 250 g = 250 × 10-3…

Q: 1. A force of 50N is needed to push a 250N load on the floor, what is the coefficient of friction?

Q: An elevator with mass of 200 kg rises with an acceleration of 1 m / sec^2. What is the tension in…

A: Given data The mass is m=200 kg The accleration is a=1 m/s2 The free-body diagram of the elevator is…

Q: 15. Two masses are connected together and hang vertically from a rope which passes over a pulley. mi…

Q: A 1470-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant…

Q: How much weight would a 165 kg register if the local acceleration due to gravity is 6.31 m/s2?…

Q: How much tension must a cable withstand if it is used to accelerate a 12 Kg box at 1.2 m/s2? Assume…

Q: 1. A person in a kayak starts padadling, and if accelerates from 0 to 0.60 m/s in a distance of 0.41…

A: mass = m=73 kg initial velocity = V0= 0 m/s final velocity = V = 0.6 m/s distance = S = 0.41 m net…

Q: 4. What is the tension in string 2 if the tension in string 1 is 31N in the picture? T1= 31N T2 50…

Q: The force of tension in the cable that is supporting an elevator is 15000 N. If the weight of the…

A: Let w denotes the weight of the elevator, T denotes the cable’s tension, m denotes the elevator…

Q: A hot air balloon is descending at 10[m/s]. To slow the rate of descent the pilot drops a weight…

Q: 9. In the absence of air drag, the acceleration due to gravity is 9.81 m/s. What is the magnitude of…

A: Given: The mass of the body is 0.25 kg. The acceleration due to gravity without air drag is 9.81…

Q: 2. What are the magnitudes of drag forces at 70 km/h and 100 km/h for a Chevy Malibu? (Drag area is…

A: Solution:- Given V1=70 km/h V2=100 km/h Drag coefficient for a Chevy Malibu CD=0.29…

Q: Problem 1: A farmer is using a rope and pulley to lift a bucket of water from the bottom of a well…

A: a) The correct free body diagram

Q: 1. A 314 kg elevator accelerates upward 4.7 m/s/s. What is the tension in the cable supporting it?…

Q: Two dogs are pulling on a weird-shaped twig of a tree in different directions. The first dog pulls…

Q: Q13- Only two horizontal forces act on a 3.0 kg body. One force is 4.6 N, acting due east, and the…

A: Given, Mass = 3 kg Force acting due to east =4.6 N Force acting 64° north of west = 4 N

Q: 9. Three identical blocks of masses m =2 kg are drawn by a force F = 10.2 N with an acceleration of…

Q: 1. Force required to pull the blocks 2. If the force is transferred to the top block, will the top…

Q: 7. A man weighs a fish with a spring scale attached to the ceiling of an elevator. While the…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 10. Realizing that riding a wild white rhino may not be the best idea you have had; you jump off but…

A: Given data: Sinking rate or velocity, v=33.2 cm/hr Distance need to be travelled by quick sand,…

Q: 2. The diagram below shows a 1.0 x 105-newton truck at rest on a hill that makes an angle of 8.0°…

Q: Suppose you move a 15-kg crate by pulling upward on the chain at an angle of 45 degrees above the…

Q: 9. A baseball and a sheet of paper are dropped at the same time from the same height. What will…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 10. An object weighing 4.6 N falls from rest subject to a frictional drag force given by Fdrag =…

A: (10) The frictional drag force is, Rewrite the above relation for terminal speed of the object.

Q: What does F stand for in the following equation? Gm,m2 F = O a. Friction O b. Gravitational force c.…

Q: A diver has a mass of 91 kg and a volume of 0.04 m^3. What is the downwards acceleration, in m/s^2,…

A: Draw the free body diagram of the diver. Here, B represents the buoyancy force, W represents the…

Q: (1) How much tension must a rope withstand if it is used to accelerate a 960-kg car horizontally…

A: mass of car , m = 960 kg acceleration of car , a = 1.2 m/s2 The car is being accelerated by the…

Q: A 75.0-kg person stands on a scale in an elevator. What does the scale read (in N and in kg) when…

Q: 2. A snowboarder (mass 72.9 kg, height 1.79 m) glides down a slope with an angle of 22° with respect…

Q: 4. A rock is suspended from a string; and it accelerates downward. Which one of the following…

A: Newton's second law of motion defines force as the the product of mass and acceleration of a object.…

Q: 1.A body hangs from a spring balance supported from the roof of an elevator. If the elevator has an…

A: NOTE: You have uploaded different multiple questions. As per guideline i will solve only first…

Question

5. A balloon is descending with a constant acceleration of 13.5 ft/s2. The weight of the balloon
with its basket and contents is 400 lb. How many pounds of ballast must be released so that the
balloon will accelerate upward with a constant rate of 13.5 ft/s2?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

The weight of an astronaut plus his space suit on the Moon is only 250 N. How much do they weigh on Earth? What is the mass on the Moon? On Earth?
A 63.0-kg sprinter starts a race with an acceleration of 4.20m/s2. What is the net external force on him?
A bag of cement whose weight is Fg hangs in equilibrium from three wires as shown in Figure P5.18. Two of the wires make angles 1 and 2 with the horizontal. Assuming the system is in equilibrium, show that the tension in the left-hand wire is T1=Fgcos2sin(1+2) Figure P5.18
What forces cause (a) an automobile, (b) a propeller-driven airplane, and (c) a rowboat to move?
(a) What is the minimum force of friction required to hold the system of Figure P4.74 in equilibrium? (b) What coefficient of static friction between the 100.-N block and the table ensures equilibrium? (c) If the coefficient of kinetic friction between the 100.-N block and the table is 0.250, what hanging weight should replace the 50.0-N weight to allow the system to move at a constant speed once it is set in motion? Figure P4.74
. Under certain conditions, the human body can safely withstand an acceleration of 10 g. (a) What net force would have to act on someone with mass of 50 kg to cause this acceleration? (b) Find the weight of such a person in pounds then convert the answer to (a) to pounds.
(a) Find the tension in each cable supporting the 6.00 102-N cat burglar in Figure P4.35. (b) Suppose the horizontal cable were reattached higher up on the wall. Would the tension in the other cables increase, decrease, or stay the same? Why? Figure P4.35
A crate of weight Fg is pushed by a force P on a horizontal floor as shown in Figure P4.83. The coefficient of static friction is s, and P is directed at angle below the horizontal. (a) Show that the minimum value of P that will move the crate is given by P=sFgsec1stan (b) Find the condition on in terms of , for which motion of the crate is impossible for any value of P. Figure P4.83
A motorcycle and rider have a total mass equal to 300 kg. The rider applies the brakes, causing the motorcycle to accelerate at a rate of 5 m/s2. What is the net force on the motorcycle?
(a) If the rocket sled shown in Figure 4.32 starts with only one rocket burning, what is the magnitude of its acceleration? Assume that the mass of the system is 2100 kg, the thrust T is 2.4104 N, and the force of friction opposing the motion is known to be 650 N. (b) Why is the acceleration not one-fourth of what it is with all rockets burning?
A 57.9-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is accelerating upward with an acceleration of 1.84 m/s2?