8. Which statement best describes the movement of an object with zero acceleration? (1) The object must be at rest. (2) The object must be slowing down. (3) The object may be speeding up. (4) The object may be in motion.
Q: 9. A car has an initial velocity of 15 m/s. The car slows with a negative acceleration of 4.5 m/s2.…
A: Given data: Initial velocity (u) = 15 m/s Acceleration (a) = 4.5 m/s2 Final velocity (v) = 4.0 m/s…
Q: 9) You run a straight 100 meter dash as fast as you can. Your distance (in meters) from the start…
A:
Q: .What is the average acceleration of a car entering a city that decelerates from 90 km/h to 50 km/h…
A: Given: The initial velocity is 90 km/h. The final velocity is 50 km/h. The time interval is 10 s.
Q: 1. What is the acceleration of a car if it starts from rest and accelerates uniformly over a time of…
A:
Q: A car was about to hit a cat and the driver suddenly hit the brakes, leaving a skid mark 50m long on…
A: Given : Length of skid mark, s = 50 m Initial velocity = Velocity with which the car was moving = u…
Q: 1. What is the acceleration of the car described by the graph below? What is the distance travelled?…
A: Acceleration can be calculated by measuring the slope of Velocity time graph , because acceleration…
Q: How long does a car with an acceleration of 2.0 m/s^2 take to go from 10 m/s to 30 m/s? a. 400 s…
A: Apply the third kinematic equation. Here, v represents the final velocity, u represents the initial…
Q: 5. The motion of a particle is defined by the relation x = 6t4 − 2t3 −12t2 + 3t + 3, where x and t…
A: Acceleration of a body is the second order derivative of displacement with respect to time. a=d2xdt2…
Q: 1. A motorcycle from rest accelerates uniformly over a time of 5.0 s and covers a distance of 20…
A: Given in question - Initial speed(u) = 0 {since starts from rest}…
Q: 5. A car moves in a straight line such that for a short time its velocity is defined by y( 3t + 2t…
A: Velocity = dx/dt = rate of change of…
Q: 14 - A moving object with an initial velocity of 12 m / sec accelerates with an acceleration of 4 m…
A: Given info: u= 12 m/s v= 20 m/s a= 4 m/s2 let distance to be travelled be S
Q: 9. The speed of an object moving in a straight line increases from 10 m/s to 20 m/s in 2 s. What is…
A: Initial speed, Final speed, Time taken,
Q: A truck covers 40.0 m in 8.50 s while smoothly slowing down to a final speed of 2.80 m/s. (a) Find…
A: The motion of an object moving with constant acceleration can be described using the kinematic…
Q: 5) An object falls from a building which is 1200 meters high. How long before it hits the ground if…
A:
Q: A cyclist is at rest at a traffic light. When the light turns green, he begins accelerating at 1.2…
A:
Q: The froghopper can accelerate at 4.00 x 103 m/s2. The froghopper experiences this acceleration for…
A: Consider the acceleration of the froghopper be a, the initial velocity of the froghopper be u, and…
Q: 1) Mariella is running at a constant speed of 6.19 m/s when she feels exhausted slowing down at a…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: An object has the acceleration graph shown. Its velocity at t = 0 s is νx = 2.0 m/s. Draw the…
A: The acceleration time graph is given, and at t= 0s the initial velocity vx = u= 2 m/s. Now at t=0s,…
Q: 2. An object on one of the moons of Jupiter is dropped from rest. If the object covers a distance of…
A: distance covered (d) = 3.2 mtime taken (t)= 1.5 s initial velocity (u) = 0 ms
Q: An object starts from rest and moves in a straight line. One half of total moving time the object…
A: one question at a time.
Q: The figure shows the velocity graph of a train that starts from the origin at t = 0 S. V, (m/s) 2-…
A:
Q: 6. How does an object Position vs. Time Velocity vs. Time Acceleration vs. Time move to create a…
A: We can solve this question conceptually. Let us consider we are observing at origin, +x is our…
Q: 39. Sketch the acceleration-versus-time graph from the following velocity-versus-time graph.…
A: As we know Slope of the velocity - Time graph gives us the acceleration. Mathematically we can…
Q: 25. At time t = 0 a car has a velocity of 16 m/s. It slows down with an acceleration given by…
A: Given value--- initial speed = 16m/sec. acceleration = -0.5 t m/s2 . We have to find--- travelled…
Q: 12. If the brakes on a car give the car a constant negative acceleration of 2k m/s?, where k is a…
A: Given Information:- Acceleration of the car is a=-2k m/s2 Stopping distance ds=25 m Required:- The…
Q: 11. From the velocity-time graph below, describe the motion of an object in segments P, Q, R and S.…
A:
Q: an object with an average velocity of 45 m/s to travel 8
A: The velocity of the object is v = 45 m/s The distance travel by the object is d = 825 m Find:-…
Q: 5. A cat walking to the right at 2.0 m/s spies a mouse and begins chasing the mouse with a constant…
A:
Q: 2. At highway speeds, a particular automobile is capable of an acceleration of about 1.8 m/s². At…
A: 2. Given data: Magnitude of acceleration is, a=1.8 m/s2. Initial speed of automobile is, u=65…
Q: A truck initially at rest accelerates at 1.1 m/s2. How much time does it take to move a distance of…
A: Given data: Initial velocity (Vi) = 0 m/s Acceleration (a) = 1.1 m/s2 Distance (d) = 10 m Required:…
Q: In order to pass a physical education class at a university, a student must run 1.0 mi in 12.6 min.…
A:
Q: car moves with a constant velocity of 20 m/s for 10 s. What is the car’s acceleration? A. 0 B.…
A: Given : v = 20 m/s t = 10 s
Q: 2) At highway speeds, a car is capable of accelerations of about 1.5 m/s?. How long does it take a…
A: Given, initial velocity =20 m/secfinal speed =37 m/secacceleration =1.5 m/sec2time to accelerate the…
Q: 5. Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered…
A: Given data: Initial velocity (Vi) = 0 m/s Final velocity (Vf) = 448 m/s Time (t) = 2.83 s…
Q: The speed of an object moving with constant acceleration increases to 12m/s in 6m/s in 3s. What is…
A: Given:Final speed v=12 m/sInitial speed u=6 m/sTime t=3 s
Q: along the x- axis according to the relation x=1
A: Equation of motion , x = 1-2t+3t2 Differentiate with respect to t dx/dt = ( velocity ,v ) = -2+6t…
Q: What is the acceleration of a racing car that starts from rest and attained a speed of 85 m/s within…
A:
Q: 9. A speedboat increases its speed uniformly from 20.0-m/s to 30.0-m/s in a distance of 200-m. Find…
A: Given that, Initial speed (u)= 20m/s Final speed (v)= 30m/s Distance (s)= 200m
Q: 12. Which two shapes fit a distance vs. time graph of a motionless object? 13. Which shape fits a…
A: We have been provided with five graphs and we will take use of them as per requirement.
Q: On distance-versus-time graph, a horizontal straight line graph corresponds to a motion with
A:
Q: 7 An object initially at rest accelerates uniformly in a straight line at 5.0 meters per second2,…
A: (a) The kinematic expression for distance travelled is,
Q: 7. If the vehicle velocity changes from 0-60mph in 4.2 s, Calculate the average acceleration when…
A: 7) Change in velocity = 60mph = 60* 1.60934 = 63.66 Kmph t = 4.2 s = 4.2/3600 = 1.167*10-3 h…
Q: 7. Two objects A and B accelerate from rest with the same constant acceleration. Object A…
A: Distance travelled by object B sB=uBtB+12atB2=12atB2 uB=0
Q: Rocket-powered sleds are been used to test the responses of humans to acceleration. Starting from…
A: Given: initial velocity, u = 0 m/s v = 510 m/s t = 2.37 s then , v'= 0 m/s t' = 3.15 m/s
Q: 6. Which of the following produces a negative acceleration? an object that is slowing down an object…
A: When a body is moving on the straight path, then the change in the velocity of the body in unit time…
Q: What are 3 ways an object can have acceleration? Choose the best 3 answer please. 1. Have a high…
A: An object is said to be accelerared , if there is a change in magnitude or direction of its…
Q: 11. A truck covers a distance of 40.0 meters in 8.50 seconds while smoothly slowing down to a speed…
A:
Q: 1. Determine the velocity of the motorcycle in each of the following seconds: a 2s b 4s C. 10s d 11s…
A:
Q: 3. A person starts pedaling a bicycle from rest, and accelerates uniformly over a time of 7.34…
A: The distance traveled by bicycle is, s=35 m The time taken by bicycle to travel the distance is,…
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- 4. A sprinter begins from rest and accelerates at the rate of 2 m/s? for 200 m. a) What is the sprinter's velocity at the end of the 200 m? b) How long does it take him to coyer it? T600me Sumee, talefral 2 rch Vイー160 vi=Oms 16000 ニし, (600 -0 5. A plane accelerates from 2 m/s at the rate of 3 m/s² over 530 m distance. a) How long does it take the plane to cover this distance? b) What is its velocity at the end of this 530 m distance? VA ASー 6. A box falls off the tailgate of a truck and slides a distance of 62.5 m before coming to a halt. If friction slows the box at the rate of 5 m/s?: a) What was the speed of the truck when the box fell? b) How long does it take the box to stop?7. a. Which object is moving faster? b. Which object has a negative velocity accord- ing to the con- vention we have estab- lished? B Time PouitionProblem 3 A volleyball is thrown with an initial velocity at 30 m/s at an angle 40° above the horizontal. Find the following: 1. Sketch the problem and label the important parts 2. Total time flight 3. Maximum height reached 4. Horizontal distance from the starting point will the volleyball attains its original level. (1) Given and Unknown Idgi to omis letor o bail coe
- A motorbike traveling along a straight road increases its speed from v = 13 m/s to v2 = 45 m/s in 15 seconds. If the acceleration is constant, what is the distance traveled during this time? O a. 609 m O b. 1131 m O c. 870 m. O d. 261 m e. 435 m A stone is thrown from ground into air with an initial 20i + 30j m/s. The stone will reach a velocity v, maximum height of Select one: O a. 90 meter O b. 45 meter O c. 30 meter O d. 20 meter e. 60 meterDwight decides to race around the perimeter of the Scranton business parkin an effort to beat another employee’s best running time. Assuming heruns with an average velocity of 10 ft/s, and he completes 4 laps in 5minutes,a. What is the perimeter of the business park in feet?b. In meters?( 1 ft = 0.3048 m )A train moving with constant acceleration travels 7.50 m the 10 th sccond Of its motion during and 5.50 m duning the 12th second OF of its motion. a What is the initial velucity of the train ? b. lohat is the acceleration OF the train ? C: Dctermine the dis tance trave ked by tronh until it stops?
- 1. A car is parked 10 m from home for 10 minutes. Draw a time, velocity-time and acceleration-time graphs for the motion. Label all the axes. Equ displacement- 2. A bus travels at a constant velocity of 12 m-s for 6 seconds. Draw In t the displacement-time, velocity-time and acceleration-time graph for the motion. Label all the axes. ing us 3. An athlete runs with a constant acceleration of1m-s-2 for 4 s. Draw the acceleration-time, velocity-time. motion. Accurate values are only needed for the acceleration-time and velocity time graphs. displacement time graphs for the3. A particle moves along a straight line with an acceleration of a = 3s m/s?. If at s-0m, the velocity v = 2m/s. Determine v at s = V20 m. Tho drinking fountain ic dorigned cuch that nozle is located 100mm from the edge of the1. Starting from rest, a bullet train acquires a velocity of 200 km/hr during a time of 20 seconds. What is the acceleration of the bullet train in m/s^2? With solutions. 2. An object was released from rest at a certain height. Then it falls freely for 5 seconds. a. Find its velocity at the end of 5 seconds b. From what height was it released? Wih solutions
- 3. A jet plane has a takeoff speed of Vtakeoff = 60 m/s and can move along the runway at an average acceleration of 2.0 m/s². The runway is 1.5 km. a. Write out the 3 Kinetic equations. 2. v2-U2= Jas 3.5=uttata2 b. Write out the values of initial position, initial velocity, and acceleration. initial position uloity- a: 0.2m/s init.al aueleradion- How many seconds will it take for the plane to reach takeoff speed? С. d. How far will the plane have to travel to get to takeoff speed? e. will the plane be able to get to 60 m/s before it gets to the end of the runway?3. A plane starting from rest is accelerated uniformly to its take-off speed of 72 m/s during a 5-secondperiod. What is the plane’s acceleration?4. A motorist covers a displacement of -70 km for a period 7 minutes. What is his average velocity inm/s?5. A box falls off the tailgate of a truck and slides along the street for a distance of 62.5 m. Frictiondecelerates the box at 5.0m/s 2. At what speed was the truck moving when the box fell?A football player makes a touchdown run of 100 yards in a time of 1.5 seconds. What is the av.speed in m/s during his run? ( 1 yard = 0.9144 meters) DON'T ROUND YOUR ANSWER. a. 60.96 m/s b. 1.3716 m/s c. 0.6096 m/s d. 137.16 m/s