A fire helicopter carries a 620-kg bucket of water at the end of a 20.0-m-long cable. Flying back from a fire at a constant speed of 40.0 m/s, the cable makes an angle of 40.0° with respect to the vertical. Determine the force exerted by air resistance on the bucket.

Q: 1. a) A catcher stops a 0.15-kg ball traveling at 40 m/s in a distance of 20 cm. What is the…

A: Given:- The mass of the ball is m = 0.15 kg. The speed of the ball is v = 40 m/s  The distance the…

Q: a mass of m=22 kg is hanging from a string connected to a hook on the ceiling. The configuration is…

A: Given: mass attached with string is m=22kg  The system is at rest

Q: You are riding in an elevator on the way up to your apartment. The elevator is accelerating upward…

A: Given: Upward acceleration of elevator is 1.2 m/s2 Mass is 30 kg Kinetic friction coefficient is…

Q: Two ropes apply a force to a boat. The first is 800 N in the positive x direction, and the second is…

A:

Q: A fishnet consists of 1 mm diameter strings which form a pattern of 1 cm x 1 cm squares. Estimate he…

A: The diameter of the fishnet is The one side  of square is The velocity is The density is The…

Q: A 1.0-kg block slides on a rough horizontal surface. A force, P = 9.0 N, is applied to the block at…

A: Given that,Mass of block : m = 1 (kg)Applied force on block :P =9 (N)Acceleration of block along the…

Q: Two blocks m, = 9 kg and m2 are connected as shown below. The two blocks are in static equilibrium.…

A: Given data: Mass of block 1 (m1) = 9 kg g= 10 m/s2

Q: In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging…

A:

Q: A 16-year-old employee working for Southern Virginia College's (SVC) bookstore during the summer…

A:

Q: Two blocks A and B with mA = 1.1 kg and mB = 0.88 kg are connected by a string of negligible mass.…

A: The objective of the question is to find the acceleration of the blocks and the tension in the…

Q: The figure below is for a 6 kg box on a horizontal floor. Initially, you are pushing horizontally on…

A:

Q: A 35 kg block is at rest on an inclined plane at 13°. What is the magni- tude of the normal force on…

A: By using free body diagramAccording to Newton's third lawN=mg.Cosθ                  Equation 1

Q: Determine the acceleration experienced by the crate in m/s2.

A:

Q: Holding onto a tow rope moving parallel to a frictionless ski slope, a 64.2 kg skier is pulled up…

A: Analyze the free body diagram of the system. Note: Consider the upward direction normal to the…

Q: A 1130-kg car is held in place by a light cable on a smooth, frictionless ramp as shown in the…

A: Given, Mass of car, m=1130 kg Inclination of plane, θ=25° Angle of cable, α=31°

Q: On her way to visit Grandmother, Red Riding Hood sat down to rest and placed her 1.20-kg basket of…

A: Mass of basket: m = 1.20 kg Force applied by wolf: FW = 6.40 N Angle between wolf force and…

Q: A block with a mass of 7.24 kg is on a horizontal surface that has friction. A string is pulling…

A:

Q: A 1.00 × 103-N crate is being pushed across a level floor at a constant speed by a force → F of…

A:

Q: A pickup truck is carrying a 10.0 kgkg toolbox, but the tailgate of the truck is missing, so the box…

A: Given Mass of the tool box m = 10.0 kg Coefficient of kinetic friction μs = 0.34 Coefficient of…

Q: A 68.5 kg person is standing inside an elevator. The elevator is going from the 1st floor to the 9th…

A:

Q: 21.0° R-

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Q: A shopper pushes a 7.4 kg cart at constant of 1.20 m/s speed along a rough horizontal surface by…

A:

Q: A 344-kg boat is sailing 14.0° north of east at a speed of 2.40 m/s. 23.0 s later, it is sailing…

A: Given: A 344 kg boat is sailing 14.00 north of east at a speed of 2.40 m/s 23 seconds later, it is…

Q: A 23.4 kg box rests on an inclined plane creating an angle of 34.5° from the horizontal. What is the…

A:

Q: A 300-kg boat is sailing 17.0° north of east at a speed of 1.60 m/s. 35.0 s later, it is sailing…

A:

Q: A 200 kg crate rests on a floor with carpet. A tired worker pushes with a horizontal force of 600 N…

A: Given: The mass of the crate is, M=200 kg The worker pushes with a horizontal force, F=600 NF = 600…

Q: A block with a mass of 7.15 kg is on a horizontal surface that has friction. A string is pulling…

A:

Q: skier is pulled up a slope at a constant velocity by a h respect to the horizontal. The force…

A:

Q: A heavy crate is suspended from two ropes as it is lowered from a high shelf to the floor at a…

A: Given data: The tension in one rope is T1=653 N. The angle made by one rope is θ1=26.5°. The angle…

Q: A shopper pushes a 7.7 kg cart at constant of 1.20 m/s speed along a rough horizontal surface by…

A:

Q: Two blocks A and B with mA = 1.1 kg and mB = 0.88 kg are connected by a string of negligible mass.…

A: The objective of the question is to understand how the tension in the string connecting two blocks A…

Q: A 1000-kg elevator is rising and its speed is increasing at 3 m/s². The tension force of the cable…

A: Given that Mass of the elevator (M) =1000kg Acceleration (a) =3m/s2 Acceleration due to gravity (g)…

Q: Two blocks A and B with mA = 1.1 kg and mB = 0.88 kg are connected by a string of negligible mass.…

A: The objective of the question is to find the acceleration of the blocks and the tension in the…

Q: A 5 kg block is placed on an inclined plane of angle 30 degrees and pushed up the plane with a…

A:

Q: You are pulling your luggage in an air port for an international flight. You know not to pack too…

A: Force applied(F)= 49 N Angle between force applied and horizontal (A)= 22° Luggage mass(m)=21.6 kg…

Q: An elevator has a mass of 200kg. An average person has of 40 kg. The elevator must accelerate upward…

A:

Q: stacked pair of books with masses m1= 2.0 kg (bottom book) and m2 = 1.5 kg (top book) are tossed…

A: The normal force exerted by the table on the first bolook N1= its weight = mg= 2×10=20 N . Similarly…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”