I am driving at 35 mph on a foggy day when I see a car 5 miles ahead of me stopped in the road with its hazard lights on. I can accelerate my car at about -12 mph/s. How long do I have to decide if I will need to swerve to avoid hitting the car? Which is the correct equation to use

Q: An object moves along the positive x-axis with a speed of V, =4 m/s for 2 seconds, then moves along…

A: Given: The velocity V1 is 4 m/s. The time duration is 2 s. The velocity V2 is 7 m/s. The time…

Q: What is the time required for a object going to go for my speed of 12 m/s to 45 m/s with a…

A: Given Initial velocity of object u = 12 m/s Final velocity of object v = 45 m/s Accleration of…

Q: You are walking through your neighborhood and you see a boy on the roof of a building kicking a…

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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 object moving with a negative velocity and a positive  acceleration would be what? speeding up…

A: Given: An object moving with a negative velocity and a positive acceleration. We need to find the…

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

A: Introduction: Kinematics is the branch of the mechanics which describes the motion of the objects…

Q: Q1\ choose the correct answer for the :following questions A student practicing for a track meet ran…

A: Given data The distance covered by the student is d = 150 m The time taken to cover the distance is…

Q: If another car passes our race car at 110 km/h, how fast does the Labster race car driver think the…

A: According to the statement that "another car passes our car at 110 km/h" means the relative velocity…

Q: A racquetball strikes a wall with a speed of 25 m/s and rebounds in the opposite direction with a…

A: Given data: Initial speed of racquetball is, u=25 m/s. Final speed of racquetball is, v=20 m/s. Time…

Q: A private airplane leaves Midway airport and flies due east at a speed of 180km/h.  Two hours later,…

A:

Q: An object is moving east at 15 m/s and another object Is moving south at 15 m/s. Which of the…

A: One object is moving towards east with speed 15 m/s and other is moving towards south with speed 15…

Q: A runner is moving with a speed of 2.68[m/s]. How long will it take the runner to complete a 5.0[km]…

A: The expression for find time taken by the runner to complete the race is t=dv

Q: 1. What is the average velocity of an airplane that travels a distance of 10,500 meters in 40…

A: GivenDistance travelled by airplane = 10500mTime = 40 secTo findAverage Velocity = ?

Q: A biker travels along a straight road to the east for 100 meters in 4 seconds and then to the west…

A: The expression for the average speed of the biker is, v=x1+x2t1+t2

Q: The diagram below presents the position and elapsed time of a motorbike that starts from rest and…

A:

Q: Tom, the cat, is chasing Jerry, the mouse. Jerry runs past Tom at a constant velocity of 19 m/s. The…

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Q: A giant boulder is traveling down a hill at a rate of 20 m/s. You are located 1 km away from the…

A: Given : Speed (v) = 20 m/s Distance (d) = 1 km = 1000 m

Q: A bumblebee is flying to the right when a breeze causes the bee to slow down with a constant…

A: In the given problem, the acceleration is uniform so the equations of motion can use to determine…

Q: A car enters the freeway with a speed of 8 m/s and accelerates uniformly for 3.5 km in 2.5 min. How…

A: Given data The speed of the car is u = 8 m/s. The distance traveled by car is S = 3.5 km. The time…

Q: How far has the salmon traveled? Explain the difference between your two answers

A:

Q: You are spending the summer interning as a technical advisor for the writers of a gangster movie…

A: constant velocity of bonie (v) = 108 km/hr acceleration of police car (a) = 2 m/s2Initial velocity…

Q: A rocket accelerates from rest at a rate of 23.2 m/s? for exactly 1 minute. The rocket's speed after…

A: Acceleration of the rocket is a = 23.2 m/s2 Time of acceleration is T = 1 min = 60 sec Initial speed…

Q: Figure below is a velocity-versus-time graph for a moving object. Match the answers with questions…

A: In the above graph At t = 1 s, The object is moving as graph is moving upwards, so the velocity is…

Q: is on a street that has a posted speed limit of vm=75 km/hr and is traveling above the speed limit…

A: GivenSpeed limit, vm=75 km/hSpeed of driver above speed limit, vc=28 km/hDistance between driver and…

Q: At the instant a traffic light turns green, a car that has been waiting at the intersection starts…

A:

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

A:

Q: Analyze the following physics problem and select all input variables (only one answer is correct):…

A: The values supplied in the problem statement are :  Initial speed, u = 0 m/s  Time period, t = 5.21…

Q: A fish swimming at a constant speed of 0.5 m/s suddenly notices a shark appear behind it. Five…

A:

Q: The polar bear is an excellent swimmer, and it spends a large part of its time in the water. Suppose…

A: The kinematic equation to solve for the initial velocity of the polar bear is as follows:…

Q: The velocity and acceleration of an object at a certain instant are i = (3.0 m/s)j %3D å = (5 m/s²)i…

A: The velocity of an object at a given instant = 3 ms j^The acceleration of an object at a given…

Q: A fish swims 450 m [E] then 250 m [W] in 25 seconds. What is the average velocity of the fish?

A:

Q: A tennis ball with a speed of 13m/s is moving perpendicular to a wall. After striking the wall,the…

A: Introduction: According to Newton's 3rd law of motion, every action there is equal and opposite…

Q: Archibald, an aging geezer, is out bicycling one fine afternoon, reliving his glorious youth and…

A: Consider the traffic police as the source of the sound, and it is stationary. Also, consider Archie…

Q: (the complete question is in the picture) Which of the following best describes an instantaneous…

A: Instantaneous speed can be defined as the rate of change of distance. Mathematically given by:…

Q: An airplane needs to gain an acceleration of 0.79  m/s2  to take off on a  2000 m runway, what is…

A: Given data:  Initial velocity (V0) = 0 m/s Acceleration (a) = 0.79 m/s2 Distance traveled (Δx) =…

Q: A girl is riding her bicycle due north in a straight line at speed of 13.8 m/s and slows down to a…

A: Given data:  Initial velocity (Vi) = 13.8 m/s Final velocity (Vf) = 9.2 m/s Time (t) = 7 s

Q: Two cars leave from the same position at the same time. One travels due North at 30 mph, while the…

A: Speed of Car A due north is Va = 30 mph Speed of car B due east is Vb = 40 mph

Q: The driver is looking at her phone and has a total reaction time of 4.6 seconds as the car is moving…

A: The distance travelled by car with constant velocity is:

Q: There is a 1500 mile race course. The max forward acceleration is 4 m/s2 and the max backward…

A: Given terms: To determine: Equation for the fastest time. Position, velocity and time.

Q: A speedboat has a velocity of 48 kph as it comes out of a turn. It accelerates at the rate of 0.3…

A: Given: speed boat velocity v=48 kph = 13.33 m/s  Acceleration a = 0.3 m/s2

Q: A motorist on a road trip drives a car at different constant speeds over several legs of the trip.…

A: Given:  For t1 = 55 min, v1 = 65 km/h for t2 = 13 min, v2 = 90 km/h  for t3 = 40 min, v3 = 30 km/h…

Q: The polar bear is an excellent swimmer, and it spends a large part of its time in the water.Suppose…

A: Given data The deceleration of the polar bear is: a = - 0.0122 m/s2 The distance traveled by the…

Q: A car takes 10 seconds to cover 30 meters distance and 12 seconds to cover 42 meters distance.…

A: Given data:  At t1 = 10 s,   s1 = 30 m At t2 = 12 s,   s2 = 42 m Required: Acceleration of car (a)…

Q: A car travels 250 m/s for 3 seconds. How far did the car travels in 3 seconds? Choose the correct…

A: Speed of the car, v=250 m/s Time of travel, t=3 s   speed of the car: The speed of the car is…

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 –