Progress A 54.0-kg person, standing on a diving board, dives straight down into the water. Just before striking the water, her speed is 4.75 m/s. At a time of 1.77 s after entering the water, her speed is reduced to 1.34 m/s. What is the magnitude of the average net force that acts on her when she is in the water?

Q: A 20.0 kg wood ball hangs from a 1.10 m -long wire. The maximum tension the wire can withstand…

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Q: A person slaps her leg with her hand, bringing her hand to rest in 260 ms from an initial speed of…

A:

Q: A 50.0 g ball is shot in the horizontal direction, aimed directly at a wall. The initial speed of…

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Q: Two skydivers are holding on to each other while falling straight down at a common terminal speed of…

A: Given:Initial velocity of the two divers: vi=55.90 m/s in the positive z-directionMass of first…

Q: Starting from rest, a 28.0 kg28.0 kg child rides a 8.75 kg8.75 kg sled down a frictionless ski…

A: Given  Mass of the child mc=28.0kg Mass of the sled ms=8.75kg Total mass M=mc+ms M=28.0+8.75…

Q: A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a…

A: The frictional force acts in a direction opposite to the motion of the losing person.From Newton’s…

Q: Connor (m=76.0 kg) is competing in the state diving championship. He leaves the springboard from a…

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Q: While playing basketball in PE class, a student lost her balance after making a lay-up and collided…

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Q: A rifle with a barrel length of 60 cm fires a 13 g bullet with a horizontal speed of 450 m/s. The…

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Q: -speed winds around a tornado can drive projectiles into trees, building walls, and even metal…

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Q: and the mass of the bag is 0.45 ??. The board is at an incline of 15° above the horizontal. a. Draw…

A: Given: m=0.45 kg θ=15o

Q: Ken and Barbie are skating together on a rink at 3.00 m/

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Q: A metal ball is dropped, hits the ground, and eventually comes to a stop. Now, what is the…

A: A ball moving on the ground eventually stopsbecause of frictional force between the balland the…

Q: A 75.1-kg person diving into a pool enters the water vertically at 8.29 m/s. The water exerts an…

A: mass = 75.1 kg initial speed = 8.29 m/s net force = 1294 N t = 0.377 s

Q: 56. mmh A baseball (m = 149 g) approaches a bat horizontally at a speed of 40.2 m/s (90 mi/h) and is…

A: Given:- mass of baseball=149g speed of baseball-40.2m/s time=1.10ms

Q: A woman of mass m = 41 kg travels at a velocity vi = 1.5 m/s before leaping on a skateboard that is…

A: We can start by applying the principle of conservation of momentum, which states that the total…

Q: • • At the local grocery store, you push a 14.5-kg shopping cart. You stop for a moment to add a bag…

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Q: A 60 kg object traveling at a speed of 80 m/s is suddenly brought to rest in a time of 0.4 seconds.…

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Q: A 0.170 kg hockey puck has a velocity of 2.20 m/s toward the east (the +x direction) as it slides…

A: See below

Q: Which one of the following statements concerning this situation is true? a) The space capsule does…

A: a) option is incorrect as space capsule is experiencing a force due to which it will accelerate.…

Q: 1. A tennis pro serves a tennis ball at a speed of 190 km/hr. a) Assuming that the tennis racquet…

A: Given:…

Q: west of north 3. A neutron decays into a proton, and an electron. The neutron was initially at rest.…

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Q: 8. Carol, who weighs 60 kg, is driving her car at a speed of 25 m/s. She sees a dog crossing the…

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Q: mall car has a head-on collision with a large truck. Which of the lowing statements concerning the…

A: Conservation of momentum : If the net external force acting on the system is zero,the total momentum…

Q: Rick, an avid skydiver, is falling through the air with his parachute deployed. He recently ate a…

A: Hai, since there are multiple questions posted, we will answer the first question. The mass of the…

Q: A 0.69 kg object is at rest. A 3.42 N force to the right acts on the object during a time interval…

A: a) The required velocity of the object is,

Q: After falling from rest from a height of 29 m, a 0.45-kg ball rebounds upward, reaching a height of…

A: Given,

Q: A 866-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Given:

Q: A new Dutchman Day activity allows people to leap from the top of the Humanities building onto a…

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Q: . A car carrying a 80 kg test dummy crashes into a wall at 20 m/s and is brought to rest in 0.2…

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Q: Part A A 0.56 kg billiard ball initially at rest is given a speed of 14 m/s during a time interval…

A: Given: Mass = 0.56kg Final speed, v = 14m/s time t = 5.0 ms

Q: A stationary 2.17-kg object is struck by a stick. The object experiences a horizontal force given by…

A: Mass of object m=2.17 kg F=at-bt2    where t - time in seconds a=1500000 N/s , b= 20000000 N/s^2…

Q: 1. Ember is sailing a fibre glass fishing boat of mass 1600 pounds and enters a marina at 2.58 m/s…

A: Given : Initial Velocity ,u = 2.58 m/s Final Velocity, v = 1.15 m/s Time interval ,t = 4 s

Q: our friend is catching a falling basketball after it has passed through the basket. Her hands move…

A: Given data: The mass of the ball, m=0.60 kg. The time duration for which the hand was lowered,…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: