A waitress shoves a ketchup bottle with mass 0.45 kg to her right along a smooth, level lunch counter. The bottle leaves her hand moving at 2.0 m>s, then slows down as it slides because of a constant horizontal friction force exerted on it by the countertop. It slides for 1.0 m before coming to rest. What are the magnitude and direction of the friction force acting on the bottle?

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 2 kg particle moves along an x axis, being propelled by a variable force directed along that axis.…

A: The mass of the particle, m = 2 kg The position vector is x=2 m+ 3 m/st+ct2-4 m/s3t3

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: Kevin works as a janitor, and he is pushing a fully-loaded recycling bin that weighs 557 N across…

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Q: What is the magnitude of the average drag force ?drag exerted on the car?

A: work done by non conservative forces = change in total energy work done by drag force = total final…

Q: A unicorn running on a beach at 7 m/s changes speed at a constant rate of 3.6 m/s2 over a period of…

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Q: We start with some review problems A crate of mass 49.0 kg rests on a level surface, with a…

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Q: You give a 2.10 kg box a hard shove at the bottom of a ramp, and it leaves your hand with a speed of…

A: Given:- The mass of the box is m = 2.10 kg  The initial speed of the box is u = 8.50 m/s  The angle…

Q: slides? 1. 4.68 m/s^2 2 1.23 m/s^2 3 6.08 m/s^2 4 1.76 m/s^2

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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: A person pushes a 0.20 kg lunch tray across a table, and it slows down as it slides because of…

A: Mass of lunch tray = 0.2 kg  Coefficient of static friction = 0.15  Coefficient of kinetic friction…

Q: An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An…

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

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Q: A 1540-kg car is traveling with a speed of 12.4 m/s. What is the magnitude of the horizontal net…

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Q: Initially block A has a speed of 3 m/s as shown. Determine the speed of block B at t=6s. The…

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Q: A sled and rider have a total mass of 50.5 kg. They are on a snowy hill. The coefficient of kinetic…

A: Given: Total mass of sled and rider is 50.5kg. The coefficient of kinetic friction is 0.170. The…

Q: A delivery company has unloaded a 35 kgkg crate in your driveway. The coefficient of static friction…

A: Mass of the crate (m)=35 kg Coefficient of kinetic friction (μ)=0.2 Acceleration of the crate (a)=5…

Q: Problem 3: A person pulls a block of ice across a frozen part of a lake. They apply a force to the…

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Q: he top of a ramp, which is inclined at an angle of 20 degrees with respect to the horizontal.…

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Q: In an amusement park water slide, people slide down an essentially frictionless tube. The top of the…

A: Given: Height difference between top and exit of the slide, H=3 mHeight of the exist above water…

Q: You are visiting your cousins for Christmas in New Hampshire where it is freezing. They are crazy.…

A: Applying Newton's second law on the sledge, ∑Fx=mgsin20°=ma     [1]∑Fy=N-mgcos20°=0    [2] From…

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: A 7780-kg car is travelling at 25.8 m/s when the driver decides to exit the freeway by going up a…

A: Mass of the car m= 7780 kgInitial velocity of the car u = 25.8 m/sFinal velocity of the car v = 13.5…

Q: A 2.00-kg block starts from rest at the top of a 30.0° incline and slides 2.00 m down the incline in…

A: Given data: Mass of the block, m=2.00 kg Distance travelled down the inclined plane, s=2.00 m Time…

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

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

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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…

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Q: A 13 g bullet pierces a sand bag 32 cm thick. If the initial velocity of the bullet was 68 m/s and…

A: Given data:  Mass (m) = 13 g = 0.013 kg Displacement (d) = 32 cm = 0.32 m Initial velocity (Vi) = 68…

Q: We start with some review problems A crate of mass 27.1 kg rests on a level surface, with a…

A: Given Data : The mass of the crate is given as m = 27.1 Kg. The force applied to the crate is given…

Q: block of mass m=64.4kg slides along a horizontal surface. The coefficient of kinetic friction…

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Q: A cyclist is coasting at 18 m/s when she starts on a 450 m long slope that is 40 m high. The cyclist…

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Q: You are quite excited with the lesson in friction that you learned in Physics 1A that you decide to…

A: Given Data:- Mass of the glass cup is m=0.15 kg Initial velocity of the cup is vi=2.8 m/s Final…

Q: A constant horizontal force Fa pushes a 7.50 kg FedEx package across a frictionless floor on which…

A: The mass of the package is 7.50 kg.

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

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

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Q: A force in the +x-direction with magnitude F(x)= 18.0 N - (0.530 N/m) is applied to a 8.30 kg box…

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Q: Mary applies a force of 78 N to push a box with an acceleration of 0.49 m/s2. When she increases the…

A: Draw the free-body diagram of the system.

Q: Renee is on Spring Break and pulling her 21-kg suitcase through the airport at a constant speed of…

A: Given: Mass of suitcase (m) = 21 kgSpeed of suitcase (v) = 0.47 m/sPulling force (F) = 120 Nangle…

Q: The friction force that a horizontal surface exerts on a 62 kg object is 23 N. If the initial speed…

A: Given data The mass of the object is m = 62 kg. The force applied to the object is F = 23 N. The…

Q: 10. I wish to tow a 53 kg load (3 children plus a toboggan) up a snowy hill for a toboggan run,…

A: This is a question regarding the motion of a body under a combination of forces. The motion of the…

Q: A hunter is pulling his sled 45 kg in mass behind him on snow. He exerts a pull of 170 N in…

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Q: A 128 lb person steps into an elevator at the ground floor. The elevator accelerates upward at 5.0…

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Q: Two horizontal forces, P and Q, are acting on a block that is placed on a table. We know that P =…

A: Given: The mass of the object is 5.1 kg. P→=-2.1i^+4.25k^ N The velocity of the object is constant.