A 1.9 kg otter starts from rest at the top of a muddy incline 84.1 cm long and slides down to the bottom in 0.60 s. What net external force acts on the otter along the incline? Answer in units of N.

Q: A 5.00 kg box sits at rest at the bottom of a ramp that is 8.00 m long and is inclined at 30 degrees…

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Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

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Q: A 80.0 kg mail bag hangs by a vertical rope 3.5 m long. A postal worker then displaces the bag to a…

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Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

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Q: a)The distance between two telephone poles is 43m. When a 1.59 kg bird lands on the telephone wire…

A: A) Distance between poles (L) = 43 m mass of bird (m) = 1.59 kg wire sags by an amount (h) = 0.124 m…

Q: elevator cabs A and B are connected by a short cable and can be pulled upward or lowered by the…

A: Draw the free-body diagram of the elevator B.

Q: A 4.00 kg box sits atop a 10.0 kg box on a horizontal table. The coefficient of kinetic friction…

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Q: F

A: Given: Mass m1 = 4.7 kg. Mass m2 = 2.4 kg. Upward force F = 6.4 N. Downward acceleration (a) = 4.7…

Q: Four blocks with masses m1=5.00kg, m2= 5.10kg, m3= 7.00kg, m4= 7.20kg are pulled on a horizontal,…

A: solution:   Given Values, Masses: m1=5.00 Kgm2=5.10 Kgm3= 7.00 Kgm4= 7.20 KgAngle (θ)=34°Force (F) =…

Q: A 0.30 kg puck is being pushed across a table with a horizontal force of 2.0 N. It starts from rest…

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Q: On a winter day a child of mass 20.0 kg slides on a horizontal sidewalk covered in ice. Initially…

A: According to work energy theorem the work done by friction on child to stop motion is equal to the…

Q: You are at the grocery store pushing on a shopping cart. The mass of the cart including all the…

A: Given Data : The mass of the cart is given as mc = 26 Kg. The coefficient of friction between the…

Q: 19. A waitress shoves a ketchup bottle with mass 0.45 kg to her right along a smooth, level lunch…

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Q: You are pushing a rubber crate against a concrete floor. The two surfaces have a static coefficient…

A: 1) for rubber crate  Limiting friction fL = usmg = 0.66×25×9.81  fL = 161.86 N  Applied force F = 85…

Q: A waitress shoves a ketchup bottle with mass 0.45 kg to her right along a smooth, level lunch…

A: Given data: The mass of the bottle is m=0.45 kg. The initial speed of bottle is u=2.8 m/s. The…

Q: An early submersible craft for deep-sea exploration was raised and lowered by a cable from a ship.…

A: Tension in cable when craft is stationary T=6500 NDrag force due to water FD= 1800 N

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

A:

Q: You are pushing a rubber crate against a concrete floor. The two surfaces have a static coefficient…

A: when some force is applied against friction at first it will try to overcome the static friction.…

Q: A 5.00 kg crate is suspended from the end of a short vertical rope of negligible mass. An upward…

A: Given data m=5 kgyt=2.8 t+0.61 t3t=4 sec

Q: An 80.0 kg mail bag hangs by a vertical rope 3.7 m long. A postal worker then displaces the bag to a…

A: given data

Q: ou are pushing a wooden crate against a rubber floor. The two surfaces have a static coefficient of…

A: Given: The mass of the crate is 25 kg. The coefficient of the static friction is 0.45. The…

Q: steel cable lying flat on the floor drags a 30 kg block across a horizontal, frictionless floor. A…

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Q: Suppose you are at a bowling alley, where a machine uses a constant force and pushes balls up a ramp…

A: The work done is given as, W = F x l

Q: You are at the grocery store pushing on a shopping cart. The mass of the cart including all the…

A: Given: Mass of the Cart= 22 kg            Coefficient of friction between floor and wheels is 0.22…

Q: A 3.00-kg object is moving in a plane, with its x and y coordinates given by x = 5t^2 -1 and y =…

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Q: as a fish jump vertically out of the water, assume that only two significant forces act on it: an…

A:

Q: A waitress shoves a ketchup bottle with mass 0.45 kg to her right along a smooth, level lunch…

A: Given Mass  (m)            = 0.45 kg Velocity (v)          = 2.0 m/s Displacement (x) = 1.0 m A…

Q: A cart with mass 15.0 kg moves in a straight line on a frictionless horizontal surface. Take this…

A: mass, m = 15 kg  initial velocity, u = 8 m/s distance, d = 5 m  force, F = 20 N

Q: You are designing a high-speed elevator for a new skyscraper. The elevator will have a mass limit of…

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Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

A: Given data and free body diagram-