An object moving with a negative velocity and a positive  acceleration would be what? speeding up in a negative direction or slowing down in a negative direction or speeding up in a positive direction or slowing down in a positive direction and why?

Q: On a 200 km bike cycle ride, you ride the first 90 km at an average speed of 20 m/s. What must your…

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Q: Which of the following statements are true?I. If a car is traveling eastward and slowing down its…

A: 1. Now, we know that if a moving car is slowing down that means the accelerationof car will be…

Q: A parcel of air moving in a straight tube with a constant acceleration of 24.00 m/s2 has a velocity…

A: Given information:The acceleration of the air parcel of air (a) = 24 m/s2The velocity of the parcel…

Q: Which of the following describes an object with a negative acceleration and a positive velocity?…

A: According to bartleby's policy, I am allowed to answer only one question at a time, please post the…

Q: An airplane acquires a take-off velocity of 150 mph on a 2-mile runway. If the plane started from…

A: Given(s): Initial speed, u=0. Final speed, v=150 mph=150×0.447 m/s=67.05 m/s Covered distance…

Q: A driver is traveling at 10 m/s when they pass a speed limit sign that says 25 m/s. They realize…

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Q: A train is traveling down a straight track at 35 m/s when the engineer applies the brakes, resulting…

A: Initial speed of the train, u = 35 m/s Acceleration, a = -1.0 m/s2 Time interval after applying…

Q: Suppose that a car traveling to the west begins to slow down as it approaches a traffic light.…

A: Acceleration is defined as the rate of change of velocity.

Q: 5) An object falls from a building which is 1200 meters high. How long before it hits the ground if…

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Q: Acceleration and Velocity 1. A female motorcycle rider at rest is passed by a friend traveling at a…

A: "As per the guidelines i solved the first question alone". 1. (a) The time taken by the female rider…

Q: Using the kinematic equation for the velocity as a function of time A car passes a green traffic…

A: Kinematic equation: v=u+at Where u is the initial velocity a is acceleration and v is the velocity…

Q: Identify and describe all 5 instances of acceleration in the following scenario. A female bear…

A: If the velocity of an item changes, it is said to be accelerated. An object's velocity might…

Q: A boat move slowly inside of a marine with a constant speed of 1.50 m/s. Then it throttles up and…

A: Given :      Initial velocity, u = 1.50 m/s     acceleration, a = 2.40 m/s2     Time, t = 5 s

Q: Suppose a car merges into freeway traffic on a 200 - m - long ramp. If its initial velocity is Om /…

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Q: 1. Under what conditions is the average velocity equal to the instantaneous velocity? a) when an…

A: Average velocity : The average velocity of a body is defined as the change in position or…

Q: A car accelerates from zero to a speed of  36 km/h in 15 s.   i. Calculate the acceleration of…

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Q: The car is traveling at 30 mi/h when the traffic light 295 ft ahead turns yellow. The driver takes 1…

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Q: A Honda civic car is travelling at 5 m/s when the brakes are applied. If the car stopped at the end…

A: Initial velocity (u) = 5 m/s final velocity (v) = 0 m/s time taken (t) = 25 seconds

Q: ball is thrown straight up with an initial speed of 12 m/s. What are the velocity and acceleration…

A: given - given a ball is thrown up with intial speed of 12m/s .  to find - velocity and acceleration…

Q: Then in 4.0 more seconds, the boat's speed is 13m/s. What is the boat's average acceleration for the…

A: Given: Initially boat is at rest u = 0 boat achieves a speed of v = 9.0m/s time  t = 11 s   Find:…

Q: An antelopes moving with constant acceleration covers the distance between two points 70.0m apart in…

A: Ans. (a) speed at first point, u=5 m/s         (b) acceleration, a=10/7   m/s^2

Q: 1. If the acceleration of the body is constant, which of the following statements is true?   a. The…

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Q: Small frogs that are good jumpers are capable of remarkable accelerations. One species reaches a…

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Q: The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows…

A: Given that, x=66.4 macceleration=-5.85 m/s2time=4.20 s Consider the kinematic equation, x=ut+12at2…

Q: In which of the following cases does a car have a negative velocity and a positive acceleration? A…

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Q: If a car is moving 90km/h and it rounds a corner,also at 90km/h. Car maintains the following? Choose…

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Q: Starting with a constant velocity of 50 km/h, a car accelerates for 30 seconds at an acceleration of…

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Q: The nearest grocery is 60 m, east from your house. You are walking at 1.2 m/s for 15.0 s toward the…

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Q: 1. A woman leaves her house to walk her dog. They stop a few times along a straight path. They walk…

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Q: A motorcycle is following a car that is traveling at constant speed on a straight highway.…

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Q: A ball rolls up a ramp, getting slower and slower before rolling back to the bottom of the ramp. At…

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Q: Which of the following situations describes zero acceleration? a. a rock falling from a cliff b. a…

A: The situation with constant velocity describes zero acceleration.

Q: If the acceleration of the body is constant, which of the following statements is true? a. The…

A: Introduction: The acceleration of the object is equal to rate change of velocity with respect to…

Q: Which of the following is positive acceleration? Select all apply.      A car is moving to the…

A: The positive acceleration of a car means that the car's velocity is increasing with respect to time.

Q: At time t = 0, a car and a truck are side by side on a freeway: car's velocity just then is zero…

A: In the given question We have to determine the distance where the car and truck will again be side…

Q: An aircraft starts at rest and is accelerated at 10 m/s2 for 30 seconds, at which time the aircraft…

A: The distance traveled during 30 sec is 4500 m

Q: I see that an object has is decelerating, what does this tell me about A? A. Nothing at all, what…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A car comes to a complete stop from an initial speed of 60 mi / hr in a distance of 200 ft. With the…

A: Given: Case 1: Initial speed u=60 mi/hr=601.467ft/s=88.02 ft/s, Final speed v=0 ft/s, Stopping…

Q: You are driving your car, and the traffic light ahead turns red. You apply the brakes for 2.56 s,…

A: Using the following equation, x=ut+12at2........(1) The initial velocity of the car is found by…

Q: In which of the following cases does a car have a negative velocity and a positive acceleration? A…

A: Velocity and acceleration are vector quantities that is they both have magnitude as well as…

Q: An automobile travels on straight road for 39km at 24km/h. If then continues in the same direction…

A: Given data  Distance , D1 = D2 = 39 km  Speed ,V1 = 24 km/h  V2 = 48 km/h  The average speed for 78…

Q: Two cars are travelling on parallel tracks in the same direction. The first car started from rest…

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Q: A motorist traveling at a constant speed of 10.0 m/s. A police officer behind him 30.0 m starts in…

A: A motorist travelling at a constant speed of 10m/s. A police officer behind him has length 30m…

Q: A motorcycle is following a car that is traveling at constant speed on a straight highway.…

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Q: motorboat starting from rest on a straight travels in straight line on a lake. A. If the boat…

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Q: Suppose the velocity(v) of a car at any time(t) is given by the equation v=60m/s + (0.50m/s³)t²…

A: Given: The velocity equation of the car is v=60 m/s+0.50 m/s3t2.

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –