A car moving along a straight highway with a speed of 125 km h1 is brought to a stop within a distance of 200 m. What is the retardation of the car (assumed uniform) and how long does it take for the car to stop?

A car moving along a straight highway with a speed of 125 km h1 is brought to a stop within a distance of 200 m. What is the retardation of the car (assumed uniform) and how long does it take for the car to stop?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: A crate of 20-kg is sliding down an inclined plane as shown below with an initial velocity of 5 m/s.…

A: Given, Mk = 0.4 s = 4m u = 5m/s m = 20

Q: A man of mass 60 kg runs up a flight of 30 steps in 40 s. If each step is 20 cm high, calculate his…

Q: A 0.5 lbm apple is thrown from the edge of a tall building with an initial speed of 20 m/s. What is…

Q: A 200 lbs. block is raised vertically at 12 ft. what is the potential energy of the block? What is…

Q: Q 1: km/h ? Determine the energy needed to accelerate a 1300 kg carriage from 10 to 60 Q2: Answer…

A: Ans.1 Given Data Mass of the carriage, M=1300Kg The initial speed of the carriage, u=10 Km/h=2.7…

Q: 5.4 A truck initially traveling at 60 km/h is brought to acomplete stop at a traffic light. Does…

A: Law of conservation of energy states that energy neither be created nor be destroyed, it only change…

Q: In performing his favorite workout routine, Jason throws a ball with an initial velocity of 12.3 m/s…

Q: Find the maximum height achieved by a ball thrown upward with velocity 20 m/s. Take g=10 m/s2

A: When the ball is thrown upwards with the velocity u = 20 m/s under constant gravitational…

Q: Find the maximum height achieved by a ball thrown upward with velocity 20 m/s Take g=10 m/s2.

Q: A 1-kg rock is thrown horizontally off a 121-m height building. As it leaves the edge of the…

A: The vertical component of the velocity as it touches the ground can be determined as,…

Q: Q1/ Calculate the following : (a) The momentum of a 110 kg football player running at 8 m/s. (b) The…

A: Given Data : (a) Mass (m)=110 kg, v=8 m/s (b) Mass(m)=0.410 kg, v=25 m/s

Q: An aircraft has a wing area of 20 m² and whose wings resemble the NACA 23012 with no flaps and is…

A: Given data Wing type : NACA 23012 Wing Area = A = 20 m2 Speed of aircraft = 250 kmph = 69.4444 m/s…

Q: A bat strikes a 0.145 kg baseball. Just before impact, the ball is traveling horizontally to the…

A: Draw the figure illustrating the system.

Q: A cue stick hits a cue ball with an average force of 38.0 N for a duration of 0.0280 s. If the mass…

Q: What power in KW is required to lift a 1500 kg mass a distance of 80 m in 14 sec? The correct answer…

A: m = 1500 kg X = 80 m t = 14 sec We need to find Power

Q: A ball hits a wall with velocity 20 m/s at an angle of 60° and rebounds at an angle of 30° with the…

A: Collision is a short phenomenon in which the momentum of the body undergoing collision change…

Q: It takes a car 10 seconds to accelerate from rest to a rate of 8 m/s. If the mass of the car is 1200…

A: Scenerio 3Initial velocity , u=0Final velocity , v=8 mstime takes , t=10 sec∴v=u+at…

Q: An aircraft has a wing area of 20 m2 and whose wings resemble the NACA 23012 with no flaps and is…

A: Given data Wing type = NACA 23012 Wing area = 20 m2 Speed of aircraft = v = 250 kmph = 69.4444 m/s…

Q: If the available power supplied by the engine of a vehicle weighing 10 kN is 30 hp and is designed…

A: given; ⇒weight of vehicle (w1)=10KN⇒power(P)=30hp=22.38KW⇒caryy load…

Q: A 5 kg toy car initially travelling at 5 m/s goes down a slope with a height of 1.5m. A toy block…

Q: A ball is rolled down a hill that is 36 m in elevation above its surroundings. The ball is initially…

Q: e= 45 3 m 大 5 m A 60-kg man sprints towards a river, attempting to grasp a 3-m rope connected to a…

Q: 2.At a speed of 50 km/hr the resistance to motion of a car is 900N.neglecting losses, What is the…

Q: 10. A 200.0 N force is applied horizontally to a 100.0-kg cart initially at rest. What is the speed…

Q: Q9. The rigid syste mmunicates with surroundings by energy only. O heat only. O mass and energy. O…

A: Different types of systems in thermodynamics are: Open system Closed system Rigid system

Q: A lila m2=1 Kg and initial velocity u2= 10m/s moving to the left as shown in the figure below. Find…

A: Draw the schematic diagram for both the mass after the collision. Assume after the collision both…

Q: An aircraft has a wing area of 20 m² and whose wings resemble the NACA 23012 with [ no flaps and is…

A: Given data Wing : NACA 23012 Wing area = A = 20 m2 Speed = v = 250 kmph = 69.4444 m/s Density of air…

Q: 25km / h 1. A cyclist is competing in a race and is passing some competitors . The cyclist is…

A: Given Power, P = 400 W Initial speed, u = 25 km /h = 6.94 m/s…

Q: 3. A ball is thrown vertically upward from the ground and a student gazing out the window sees it…

A: according to the given details in the question.

Q: A 498-gram ball is traveling horizontally at 11.1 m/s to the left when it is suddenly struck…

A: Mb=498g=498×10-3kgVb=11.1m/s (left)V' =-8.8m/s (right)average force, Favg=1300Ntime, t =?using…

Q: A 1 Kg mass starts with an initial velocity of 100m/s at the top of an inclined plane. By how much…

A: Determine velocity of block at bottom ( when it just touch spring) by using energy conservation

Q: A car climbs through a slope of 30° in 5 seconds. If it starts at rest and after 10 m its velocity…

Q: Feeling adventerous, Jane wants to go bowling on the roof of her apartment building. She starts out…

Q: A 105 kg guy runs at 3.25 m/s down the parking lot to catch a cart before it hits his car. The cart…

A: Given data: The mass of the guy is m=105 kg The initial velocity is vi=3.25 m/s The final velocity…

Q: A ski lift has a one-way length of 1 km and a vertical rise of 200 m. The chairs are spaced 20 m…

Q: 1.) The 300 g rocket is fired horizontally with a velocity of 1570 mph and picks up four stationary…

Q: A criminal is escaping across a rooftop and runs off the roof horizontally at a speed of 5.0 m/s,…

Q: the ground with velocity 1= 22 m/s and V2 = 15 m/s. Find mass ml and mass m2 in kg

A: Givenv1=22m/sv2=15m/sm3=1.30 kgm1=?m2=?

Q: What is the mass of an object that falls freely under the influence of gravity from an elevation of…

Q: Q/ 1000 kg car requires eight seconds to change its speed from 0 km/h to 140 km/h. What is the…

Q: A person pulls a 10 kg box 10 m along a horizontal floor with a rope that applies 100N angled up at…

Q: A Jet plane having a wing area of 20 m2 and weighing 25 kN flies at 950 km/hr speed. The engine…

Q: A body has a mass of 18 kg falls freely from rest. After falling 235 m, what will its velocity be…

A: Given information:mass of the body=18kgAfter falling height =235mThen find the velocity before…

Q: A ski lift has a one-way length of 1 km and a vertical rise of 200 m. The chairs are spaced 20 m…

A: Write the total mass of the ski lift, M=m x n Where m=Average mass and n=number of chairs placed.…

Question

i need the answer quickly

A car moving along a straight highway
with a speed of 125 km h1 is brought to a
stop within a distance of 200 m. What is the
retardation of the car (assumed uniform) and
how long does it take for the car to stop?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

A crate slides down an inclined plane without friction. If it is released from rest and reaches a speed of 6 m/s after sliding a distance of 2.5 m, what is the angle of inclination of the plane with respect to the horizontal?
An airplane heads due north with a velocity of 250 mi/hr. A west windis blowing with a velocity of 40 mi/hr. What is the velocity of the airplanerelative to the ground?
A person tossed a headball up at an initial rate of movement of 15 m / s, and it rose and fell, and that person met it again. Find 1. How high does the ball reach? 2. What was her speed at the moment prior to being caught 3. How much time did the ball spend in the air?
A team of jubliant engineering students, celebrating winning a designcompetition, fires their potato gun straight up into the air. (a) Assuming a quadratic airdrag on the potato with magnitude F (v) = mkv^2, and taking +y to be the upward direction,show that the potato speed varies with height above the ground according to the equations:
A professional baseball pitcher can project a baseball atca speed as high as 35 m/s. 1.If air resistance can be ignored, how high in metres would a baseball launched at this speed rise if projected straight up? 2.How long would the baseball be in the air (in seconds)
A 0.32 kg ball swings around a vertical circle on a 65 cm long string at a constant speed of 2.6 m/s. What is the tension at the bottom off the loop (Point B)?
A 40.0-N crate starting at rest slides down a rough 6.00-m-long ramp, inclined at 30.0 degrees with the horizontal. The magnitude of the force of friction between the crate and the ramp is 6.0 N. What is the speed of the crate at the bottom of the incline?
A wooden ball is tied to a string of length 65 cm and rotating in horizontal circle at a constant speed of 12 m/s. (a) How long will it take for the ball to complete 1 revolution? (b) What is the centripetal acceleration of the ball?
An airplane whose normal speed in still air is 260 mi/hr must traveldue east. (a) What course must the aviator set for the plane when there is asteady southwest wind of 40 mijhr? (b) How long will it take to travel 850 mi?
While driving along a highway at 80 km/h, a 15-m long truck driving at 60 km/h is exactly 10 m ahead ofyou. If your car is 5.0 m long, what acceleration is necessary if you wish to pass the truck in 3.0 s? With thisacceleration, what will your speed be just as the back end of your car passes the front end of the truck?
Consider an airplane whose takeoff speed is 220 km/h and that takes 15 s to take off at sea level. For an airport at an elevation of 1600 m (such as Denver), determine (a) the takeoff speed, (b) the takeoff time, and (c) the additional runway length required for this airplane. Assume constant acceleration for both cases.
2. A 0.10 cm-radius sphere falling in air (T= 20°C) at a speed of 25 m/s. Determine the following: a) Skin drag force b) Form drag force c) Total drag force. 3. The raindrops of around 3 mm diameter fallat 5 mis, while drizzle with droplets of 0.3 mm diameter falls at 1.5 m's. what is the terminal velocity of such raindrops and terminal velocity of the drizzle?