A roller coaster has a sudden stop when the passenger car gets back to the loading station. The car travels at 9 m/s and suddenly comes to a stop in 1.5 s. What is the roller coaster's acceleration?

Q: An object travels 5 miles in a time of 1 hr. What is the speed of the object?

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Q: A roller coaster reaches a height of 41 m above the ground in its first hill. If a car starts from…

A: According to the law of conservation of energy, the kinetic energy is equals to the potential…

Q: A driver of a car hits its brakes and begins to decelerate. If the velocity changes from 60 m/s to…

A: Initial velocity u=60 msFinal velocity v=20 mstime t=6 secs

Q: A 1,320 kg car moving at 14 m/s on dry pavement, skids to a stop over 145 m. What is the force of…

A: Write the equation for the kinetic energy. KE=12mv2 Here, The mass of the car is "m" The speed of…

Q: If a 4000 kg car is traveling westward and has a force of 200,000 N, What is the Car’s acceleration?

A: Acceleration of car is 50 m/s^2

Q: A ship is moving at a speed of 56km/h. One second later, it is moving at 58km/h. What is its…

A: Given data:-u=56 km/h=(56×518)m/sec=15.55 m/secv=58 km/h=58×518m/sec=16.11 m/sect=1 sec

Q: a dog is running at 5.5 m/s then comes to a complete stop in 1.5 seconds. What is the dog's…

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Q: What is the acceleration of a car that is going 100 m/s and stops in 5 seconds?

A: Given data:  Initial velocity (Vi) = 100 m/s Final velocity (Vf) = 0 m/s, stop Time (t) = 5 s…

Q: A CAR TRAVELS A DISTANCE OF 450 meters in 60 seconds what speed did the car travel at?

A: Answer:-; Given  Distance travelled by a car(S) = 450 m  Time taken (t) = 60 second  Speed (V) = ?…

Q: A tortoise moves a distance of 100 metres in 15 minutes. What is the average speed of tortoise in…

A: Distance moved by tortoise is D = 100 m  Time taken to move is T = 15 minutes

Q: A 15 kg bag goes from 12 m/s to 27 m/s in 6 seconds. What is the average force applied on the bag in…

A: Given data: Mass (m) = 15 kg Initial velocity (v0) = 12 m/s Final velocity (v) = 27 m/s Time…

Q: A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the…

A: Given- Weight of rock W= 25 N The tension in the cable T=20 N

Q: A car is traveling at 40 mph. What is the speed in meters per second?

A: Given: Speed, v=40 mph Conversion of speed in mph into m/s: 1 mile=1609.34 meter  1 hour=3600…

Q: A car starts from rest and accelerates to 5.8 m/s in a time of 2.3 seconds. what is the constant…

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Q: A bike is moving 2 m/s for 15 seconds. What distance does the bike travel?

A: velocity , v = 2 m/s Time , T = 15 seconds To find = Distance covered

Q: A 1200 kg car is travelling at 25 m/s and hits a wall. If the wall applies 45,000 N of force to the…

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Q: A car goes from 10 m/s to 75 m/s over the course of 18 seconds. What is the acceleration of the car?

A: Given: Initial velocity, u=10 m/s Final velocity, v=75 m/s Time, t=18 s Using the equation of motion…

Q: A car is traveling to San Antonio.  It takes the car 4 hours to travel a distance of 200 miles.…

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Q: Brent travels 100 miles in two hours on the way to his destination the return trip took him 1.5…

A: Given data: Distance traveled to reach destination (d1) = 100 miles Time taken (t1) = 2 hours…

Q: How much force does it take to bring 1,425 N car from rest to a velocity of 28 m/s in 13 seconds

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Q: A dog travels 250 meters east in 8 seconds. What is the velocity of the dog?

A: Given data: Displacement (Δx) = 250 m, due East Time (t) = 8 s Required: Velocity (v)

Q: A 36.5 kg child on a sled slides down a hill, reaching a speed of 9.8 m/s. How high was the hill (in…

A: The speed at the bottom of the hill,

Q: A 500 kg roller coaster car is moving at the top of a 20 m high hill. If its velocity at the bottom…

A:

Q: A tortoise moves a distance of 100 metres in 15 minutes What is the average speed of tortoise in…

A: Given data,     Total time taken =  t      Total distance =  d        Required,       Average speed

Q: A car drives 532 km in 59 hours. What is its average speed?

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Q: A student walks at a speed of 0.5 m/s and then begins to run 15 seconds later at a speed of 2.5 m/s.…

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Q: A 1200 kg car is moving at 30 m/s and comes up to a hill. How high can the car go up the hill before…

A: To solve the question, we will use the conservation of energy.

Q: You get out of school and walk north for 20 minutes. You travel 1.6 km. What is your average…

A: time of travel = 20 min  Or time of travel = 20/60 hours                                = 1/3 hrs…

Q: What is the speed of a runner who goes around the entire oval of the track a distance of 400 meters…

A: The speed of the runner is, v=dt

Q: A car is moving at a speed of 5 m/s in 4 s, he increases its speed to 15 m/s. What is acceleration ?

A: Introduction :  In this question we are provided it value of time taken , initial velocity and final…

Q: What is the acceleration of a car that moves from a speed of 2.5 m/s to a speed of 25 m/s during a…

A: Acceleration of the body is the change in velocity over the change in time. a = ∆v/∆t  where, a =…

Q: A ball rolls down a ramp for 0.5 seconds. If the initial velocity of the ball was 0.8 m/sec and the…

A:

Q: The driver of a car steps on the brakes, and the velocity drops from 35 m/s to 5 m/s in 4 seconds.…

A: Given:  initial velocity, u = 35 m/s  final velocity,v = 5 m/s  time, t = 4 s

Q: A boy pulls a wagon with an applied force of 40 N on a frictionless surface. If the mass of the…

A: Given :    Applied force, F = 40 N    Mass of the wagon, m = 13 kg  Determine the acceleration, a of…

Q: How much force does it take to bring a 1,325 N car from rest to a velocity of 33 m/s in 11 seconds?

A:

Q: You take a trip that covers 180 km. You drove for 3 hours and stopped at a rest area for 45 minutes.…

A: Average Speed =Total DistanceTime

Q: Starting at 10am, you bicycle at an average speed of 15 mph until noon when you enter the mountains.…

A: For the first part,The bicycle travelling from 10 am to noon(12 pm) at a speed of 15…

Q: Eric traveled east for 100 miles in 2 hrs. Then he turned around and went the opposite direction…

A: Distance travelled by eric (d1) in east direction = 100 miles time taken to cover d1 distance = 2…

Q: A 1200 kg car is travelling at 30 m/s and hits a wall. If the wall applies 48,000 N of force to the…

A: The answer is below

Q: On a highway trip, joe drives the first 25 miles at 55 mph, and the next 15 miles at 70 mph. What is…

A: Given, on a highway trip, joe drives the first d1=25 miles at v1= 55 mph, and the next d2=15 miles…

Q: A car (mass = 1,159.8kg) is traveling at 25.5m/s when it collides head-on with a SUV (mass =…

A: Given: Car mass, mc=1159.8 kg Car's velocity before collision, vci=25.5 m/s SUV mass, ms=2333 kg SUV…

Q: A 3,500kg pickup truck is traveling eastward at a velocity of 15.0m/s when it collided into the rear…

A: Correct answer : The velocity of the car just after the collision is 20.67 m/s.

Q: A Car travels 300 meters in 5 minutes. What is the speed that the car travels?

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Q: A 2000 kg car slams on the breaks and comes to a stop . If the coefficient of the friction between…

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Q: a car is traveling at 10 miles per hour during rush hour. how far does the car travel in 1 minute…

A: Given data :- speed v = 10 miles per hour = 4.4704 m/s time t = 1 minute 45 seconds = 105 s