A car driving on level ground at 20.0 m/s slams on its brakes and skids to a halt. If the coefficient of kinetic friction between the car's tires and the road is 0.750, how far does the car skid before stopping? How far would the car have skid if it had been going 40.0 m/s?

Q: A car drives onto a section of the road which is covered in ice. The driver attempts to stop by…

A: stopping distance(s)=60m initial speed(u)=40 km/h=40×1000 m3600 sec=11.1111 m/sec final speed(v)=0…

Q: Mary applies a force of 70 N to push a box with an acceleration of 0.60 m/s2. When she increases the…

A: The forces acting on the box are the force applied by Mary in the direction of motion of box and…

Q: A truck with a mass of 750 kg is traveling along a wet road at 30.0 m/s  The driver slams on the…

A: The mass of a truck is, m=750 kg The truck will stop by applying brakes, so the final velocity of…

Q: Consider the system of two crates shown below, which are tethered to each other by a massless…

A: Solution: given that m1 = 35 kg m2 = 60 kg L = 22 m angle = 31.7 degrees coeff of kinetic friction =…

Q: Just like Louis, Maria left a book on the roof of her car before driving away. The mass of the book…

A: mass of the book (m) = 731 grams = 0.731 kg coefficient of static friction (μs) = 0.29 coefficient…

Q: Traveling at a speed of 12.1 m/s, the driver of an automobile suddenly locks the wheels by slamming…

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Q: A hockey puck having initial speed of 3.8 m/s comes to rest after a distance of 7.6 m. What is the…

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Q: Option #2: A roller coaster car is at the top of a huge hill and is at rest briefly. Then it rolls…

A:

Q: A rug (mass of 20.0 kg) is sitting on a slope with an angle of 20 degrees. A person (mass of 40.0…

A:

Q: A box with with a mass m = 2kg is being pushed up a ramp by an unknown pushing force Fp. The…

A: The free-body diagram is , Given, m=2kg' The velocity is constant so, the acceleration is constant…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 46 kg. You were pulling…

A:

Q: A 10 kg-block moves on a smooth horizontal surface with a speed of 10 m/s and slides into another…

A: Given data: Mass = 10 kg Initial speed = 10 m/s Coefficient of friction = 0.25 Need to determine the…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 50 kg. You were pulling…

A:

Q: A manufacturer of children's slides does some tests and discovers that the slope of a slippery slide…

A: The data given is as follows, 1. Slope of the slide, θ=25° 2. The weight of the child is, mc=35 kg…

Q: Traveling at a speed of 14.2 m/s, the driver of an automobile suddenly locks the wheels by slamming…

A: Given that: u=14.2 m/sv=?μ=0.59t=1.14 secg=9.8 m/s2

Q: A driver drives his 1225.0-kg vehicle heading north and then turns east at an intersection. It…

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Q: I need help with this Hw Problem.

A:

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: Brake or turn? The figure depicts an overhead view of a car's path as the car travels toward a wall.…

A:

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 50 kg. You were pulling…

A: Force applied (F)= 480 N Coefficient of kinetic friction (µk)= 0.49 Mass of crate(m)= 50 kg Angle of…

Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing…

A: The minimum distance the car needs to travel to stop (braking distance) is given by, d=v22μg Here, v…

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: A 10.0-kg box is at rest on a concrete floor. The coefficient of static friction between the box and…

A: mass, m = 10 kg static friction coefficient = 0.75  kinetic friction coefficient = 0.62  Force, F =…

Q: horses pull a cart with a total applied force of 1000N. The kinetic friction from the gravel road…

A: Given  Mass of cart, M = 200 kg  Force applied, F = 1000 N  Frictional force, f = 375 N

Q: Somone is standing on a piece of cardboard holding a wire that is attached to a vehicle.  The…

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Q: A stacked pair of books with masses m1= 1.5 kg (bottom book) and m2 = 1.0 kg (top book) are tossed…

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Q: The driver of a car applies the brakes, and the car starts to skid. If the coefficient of friction…

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Q: Three blocks (as shown in the figure) are released from rest and they start to accelerate with a…

A: Step 1: here we have derived the equation of motion of the masses Step 2: here we have calculated…

Q: A box of mass 7.3 kg is slid along the floor. The initial speed of the box is 6 m/s and it comes to…

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Q: A block M1 of mass 10.0 kg sits on top of a larger block M2 of mass 20.0 kg which sits on a flat…

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Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

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Q: A hockey puck having initial speed of 2.5 m/s comes to rest after a distance of 8.0 m. What is the…

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Q: A hockey puck ( mass 160 grams ) slides across the ice. It's initial velocity is 10 m/s. If the…

A: ⁰

Q: You are lowering two boxes, one on top of the other, down the ramp shown in the figure by pulling on…

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Q: ou go trick-or-treating with your friends and end up with more candy than you know what to do with.…

A: The magnitude of normal force acting on the bag  is, FN=mg-Fsinθ=8.7 kg9.8 m/s2-62 Nsin57°=33.3 N…

Q: You are driving a car at a constant speed of 14.0 m/s along a straight level road. As you approach…

A: The initial velocity of the car is u = 14 m/s. The final velocity of the car is v = 0 m/s. The…

Q: In the sport of curling, players slide a 20.0 kg granite stone down a 38.0 m long ice rink. The…

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Q: The coefficient of friction between the wheels of Yamaha motorcycle and the dry pavement is 0.79. An…

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Q: A 30 kg object sits on a table. The coefficient of static friction between the object and the table…

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Q: Two children are pulled on a sled over snow-covered ground. The sled is pulled by a rope that makes…

A: Given:Combined mass of children, mc = 45 kgmass of the sled, ms = 5.0  kgtotal mass the the…

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: