A car's brakes do work to stop a car. Suppose a car is moving at 18 m/s and it has a mass of 2100 kg. A.) If the friction force from the brakes is 550 N, what is the stopping distance (in m)?  B.) If the speed is doubled, what would the stopping distance (in m) be?  C.)  Complete the sentence with a number: When the speed of a car is doubled, the stopping distance is increased by a factor of?

Q: A book of mass m What is the speed O mg O 2gh O mgh O Square root of (=

A: Using the kinematics, the final velocity of the book can be given by v2=u2+2ah

Q: 12.) A 2kg rock is moving at a speed of 6m/s. What is the magnitude of the force needed to stop the…

A: Given, A 2kg rock is moving at a speed of 6m/swe are asked to the magnitude of the force needed to…

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A: Total energy of the system at top point is due to the gravity.  And just before reaching the bottom…

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A:

Q: A block of mass M is attached to the lower end of a vertical spring. The spring is hung from the…

A: Mass of block= M Spring constant = k

Q: A freight car in a park moves along a frictionless level railroad track at constant speed. The…

A: Given:A freight car moves along a frictionless level railroad track at constant speed.The freight…

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A:

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A:

Q: a) 90 m/s b) 18 m/s c) 35 m/s d) 4.7 m/s e) 27 m/s

A: work done w=∫F→.ds→work energy theoremwork done by all the forces = change in kinetic energy

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A: Let, the mass of the baseball is m.  The initial velocity of the baseball, vi = 100 mph The final…

Q: A Physics book of unknown mass is dropped from rest 5.5 m. a). Draw a sketch of the scenario. b).…

A:

Q: m-long-ramp incl and the ramp and h

A: Given: Mass of crate is 180 Kg length of long ramp is 3.7 m Inclination at 39o Coefficient of…

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A: Given, weight of the skier is W=150lb And function yx=75cosπ100x At point A the speed of the skier…

Q: Quèstion 1 A 10 kg object is released at the top of a building 100 m high. If the force of air…

A: Given data, Mass of the object = 10 kg Height of the building = 100 m Air resistance = 10 N

Q: Extra credit: A ball is thrown straight up with a velocity of 15 m/s. What maximum height does the…

A: Given data The initial velocity of the ball is u = 15 m/s.   The maximum height is calculated as,…

Q: 8. A 10-kg block is set moving with an initial speed of 6 m/s on a rough horizontal surface. If the…

A:

Q: One stone is falling from rest from the top of a hill. After 1s, a second stone is thrown downward…

A:

Q: Questions 8-11 refer to the block on a flat surface shown below. A force is applied to the block as…

A: The limiting friction ( maximum static friction) is the measure of the maximum force up to which the…

Q: A 1500 kg car skids to a halt on a wet road where 4 = 0.51. You may want to review (Pages 141 - 145)…

A:

Q: 3. In the figure, a block slides along a track from one level to a higher level after passing…

A: To determine: A block is sliding along a track from one level to the higher level passing through an…

Q: A skier is sliding downhill at 7 m/s when she reaches an icy patch on which her skis move freely…

A: Given that: Initial speed of the skier is  u = 7 m/s Difference of altitude of top and bottom of the…

Q: Problem A new type of force was discovered by physicists with the following expression: a Fnew + Bex…

A: The new force is given by, Work done (W) is given by,

Q: Problem 3: In the rollercoaster shown in the figure, the height of the first hill is 25.9 meters,…

A: Given that: The height of the first hill is h1=25.9 m The height of the second hill is  h2=14.4 m…

Q: -0 = r h In the figure above, a block slides along a track from one level to a higher level after…

A:

Q: I need help finding U, K, and E in the table.

A: Approach to solving the question: Detailed explanation:Examples: Key references:

Q: A classical cartoon situation: Lobster, with mass m, on one edge of a carpet with length L and mass…

A:

Q: A spring is used to launch a coffee mug. The 20cm long spring can be compressed by a maximum of 8cm.…

A: maximum compression in spring(x)= 8cm=0.08mmass of coffee mug(m)=300g=0.300kgheight by which coffee…

Q: Q4. A small object slides along a track from one level to another level after passing through a…

A:

Q: Problem A new type of force was discovered by physicists with the following expression: Fnew = + Be*…

A: In this question we have a new type of force was discovered by physicists with the following…

Q: block slides down a ramp which is inclined : an angle 7°. The block has speed 3 m/s at ne top of the…

A: Given values:- Inclined angle,(θ)=7 0 -----(1) Coefficient of kinetic friction,(μk)=0.7 -----(2)…

Q: A 3 kg object is under the effect of a force of 6i + 10j + 12k N while traveling at 4i + 5j + 6k. A)…

A: (a) The force is equal to mass and acceleration,  F→=ma6i^+10j^+12k^=3a→a→=2i^+3.33j^+4k^ The…

Q: Gadon leaves the top of a hill with an initial speed of 5.0 m/s. His speed at the bottom of the hill…

A: Given data as per question v  =  13m/s u   =  5m/s g  =  9.81m/s2

Q: On a snowy road, a driver applies a braking force of 6017 N on his 1174 kg car. The car travels…

A:

Q: A horizontal force of 1.5 N acts on a 0.2kg mass to accelerate it along a horizontal path. How fast…

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Q: The driver of a 2150 kg car applies the breaks on a dry concrete road. Calculate the force of…

A: Given data The mass of the car is m = 2150 kg. The coefficient of friction is given as μk=1.02. The…

Q: A cat kicks a 0.43 kg chees block that was initially at rest. the net force is 20. What is the…

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Q: The attatched graph is a force over distance graph for a pop-up spring toy. Use the graph to answer…

A: (a) Since the potential energy of the pop up toy is converted into kinetic energy at the maximum…

Q: The ABC part of the road in the figure is frictionless, beyond C the friction coefficient is u =…

A: The mass of the ball, m = 2 kg. The velocity of the ball at point A, vA is 3 m/s. The coefficient of…

Q: An 1800 kg car starts from rest and accelerates to 25.0 m/s in 16.0 s. The force of air resistance…

A:

Q: You want the final speed at the bottom of your roller coaster hill to be 25 m/s. What is the height…

A: Given data- The final speed at the bottom of roller coaster is, v=25 m/s let us consider height of…