4. A sprinter who is running a 250 m race accelerates from rest at 7.5 m/s? for 1.2 s and maintains this speed for the remainder of the race. What is her time for the race?

Q: 2. In a run/walk race, Weber runs x miles in h hours, then walks the remainder of the race route, y…

A:

Q: 7. A person takes a trip, driving with T km/h, except for a 22.0-min rest stop. If the person's a…

A: We are allowed to give the explanation of first question only which is given below.  Please repost…

Q: A runner hopes to complete the 10,000 – m run in less than 30.0 min. After exactly 28.0 min, there…

A: Given data: The total distance is d=10000 m. The time passed is t=28 min. The distance left is…

Q: 4. An object, starting from rest, is given an acceleration of 16 feet per second: for 3 seconds.…

A: For an object starting from rest the initial velocity  is zero. Acceleration is the rate of change…

Q: 4. A car accelerates on a straight road from rest to 88 km/h in 6.5 s. What is the magnitude of its…

A: Let the initial velocity of the car is u and final velocity is v , and if the avarage acceleration…

Q: 4. An object, starting from rest, is given an acceleration of 16 feet per second for 3 seconds. What…

A: Acceleration of the object is a = 16 ft/s2 Time taken by the object is t = 3 s

Q: 3. A car advertisement states that a certain car can accelerate from rest to 70 km/h in 7 seconds.…

A:

Q: 1. What is the average speed of a cheetah that sprints 100 m in 4 s? How about if it sprints 50m in…

A: average speed=total distance total time for 100 m in 4s average speed=1004=25 m/s

Q: 2. The velocity of a car increases from 2.0 m/s at 1.0 s to 16 m/s at 4.5 s. What is the car's…

A: Given: Initial Velocity u = 2.0 m/s Final Velocity v = 16 m/s t1 = 1.0 s t2 = 4.5 s

Q: 2. An Olympian-class sprinter starts a race with an acceleration of 4.50 m/s². What is her speed…

A: Given, the acceleration of the sprinter, a = 4.50 m/s2 and the time interval of t = 2.40 seconds…

Q: 2. A woman on a bicycle climbs a hill at 4.00 m/s and then returns down the same hill at 8.00 m/s.…

A: The average speed the overall rapidity with which the particle moves in this interval.  The woman…

Q: 2. A car travels at a velocity of 80 m/s, accelerates than stops in 250 second. What is the…

A: Acceleration is defined as the rate of change of velocity.  Given(s): The initial speed of the car,…

Q: John is driving his sports car down a four-lane highway at 40 m/s. He overtakes a slow-moving truck.…

A: The equation of motion is given by, v=u+at Here, v is the final speed, u is the initial speed, a is…

Q: 1. A man jogs 5.0 km (5000 m) in 27 minutes. a) What is the time interval (At) in seconds? b)…

A: Given that  Distance = 5000m  Time = 27 min

Q: 1. An automobile starting from rest speeds up to 40ft per second with a constant acceleration of…

A:

Q: A car started from rest and reaches a speed of 18 m/s in 25 seconds. How many seconds would it take…

A: Given data:  Initial velocity (v0) = 0 m/s Final velocity (v) = 18 m/s Time (t) = 25 seconds…

Q: 2. A motorcyclist and a runner are in a road race. The runner runs the entire 1500 meters at a speed…

A: Given data:  Total distance (d) = 1500 m Speed of runner(Vr) = 0.2 m/s Motorcyclist covers 1st 500m…

Q: 2. A car traveling in a straight line has a speed of -30.0 m/s at some instant. After 3.00 s, its…

A:

Q: A rocket accelerates from rest at a rate of 70 m/s2. (a) What is its speed after it accelerates for…

A: Given that, Initial speed (u)= 0 Acceleration (a)= 70 m/s² Time (t)= 53 s Let the final speed be v

Q: 2. Determine the time needed for the rocket to reach an altitude of 100m, if it is given an…

A: Given : altitude, s = 100 m  Acceleration , a = (6 + 0.02 s) m/s2  Find : time needed

Q: A rocket accelerates from rest at a rate of 42 m/s2. (a) What is its speed after it accelerates for…

A: GIven data The initial speed of the rocket is: u = 0 The acceleration of the rocket is: a = 42 m/s2…

Q: 1. A stone is dropped from the roof of a 100 m high building. Find a.) its final velocity in (meter…

A: Given data:  Initial velocity (Vi) = 0 m/s Height (h) = 100 m Required: Final velocity as stone…

Q: 4. A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. What is the lizard's average…

A:

Q: 2. An airplane travels 280 m down the runway before taking off. If it starts from rest, moves with…

A: there are three equations of motion v = u + at v2 = u2 + 2as s = ut + 0.5 gt2   here , u = initial…

Q: 1. In a fun run, Adrian covered 50 m in 7.0 s. Assuming he maintained his speed, how far did he run…

A:

Q: 2.) A race car starts at rest and speeds up to 40 m/s in a distance of 100 m. Determine the…

A: Given Initial speed of car is vo= 0 Final speed of car is v=40 m/s Distance travelled is d=100 m

Q: One of the fastest street legal cars, the Bugatti Veyron Super Sport, starts from rest and reaches a…

A: Given data The car's final speed is: v = 55.4 mi/h = 24.76 m/s The car's initial speed is: u = 0 The…

Q: 1. Starting from rest, a red truck reached a velocity of 25m/s in 30 seconds. How many minutes is…

A: Given Data : The final velocity of the truck is given as v1=25 ms The time taken by the truck to…

Q: Over a distance of 260 meters, an automobile going initially at +940 m/s accelerates evenly at +0.10…

A:

Q: 8. A drag car starts from rest and accelerates at a rate of 10.0-m/s? for a distance of 400-m (~1/4…

A: Given :            Initial velocity u = 0            Distance s = 400 m            Acceleration a =…

Q: What would be the final velocity if a 600g Cart 1, initially traveling 5.10m/s collided with a 200g…

A: Since collision is inelastic, so cars will not seperate after collision. So, both car moves with…

Q: A skater increases her velocity from 4.3 m/s to 11.5 m/s in 5 seconds. What is the skater's…

A:

Q: 12 A, car has velocity of 10ms". It moves through acceleration at 0.2ms ² for half minute, find…

A:

Q: 2. A fighter jet covers a distance of 895m while accelerating from 22m/s to 35m/s. How long (in…

A: Qus 2:  Given, s = 895 m  u = 22 m/s  v = 35 m/s  t = ?  a = ?  As we are familiar with the Newton's…

Q: 8. Mr. Mangan is now driving at 50 m/s and sees a brick wall ahead. He brakes and skids to a stop…

A: Given Initial velocity of Mr. Mangan = 50 m/s Time to stop = 10 s Distance travelled = 75 m We have…

Q: 3. A car accelerates uniformly from 0 to 72 km/h in 11.5 seconds. a) What is the acceleration of the…

A:

Q: Cheetah have a top speed of 120 km/h and can accelerate at a constant rate of 9.5 m/s^2. How long…

A: Given data The top speed is v=120 km/h=33.33 m/s The acceleration is a=9.5 m/s2 The initial speed is…

Q: 58. A runner starts from rest and with an acceleration of 1.0 m/s² travels a distance of 10 meters.…

A:

Q: 2. A cheetah moving in a constant acceleration covers the distance between two points 70.0m apart in…

A: Given value--- distance = 70 m. time = 7 s. final speed = 15 m/s. We need to find--- initial…

Q: 2) Angelica ran at her top speed of 0.125 mi/min for 4 minutes. How far did she get?

A: The speed of the angelica,

Q: 6). What is the initial velocity of a ball thrown down off a building that hit the ground at 33 m/s…

A: Given : v = 33 m/s t = 4 s

Q: A car travelling on a straight road initially at 53 km/h accelerates for 2.3 s at a constant…

A: Initial speed,  Time,  Acceleration,    Applying the first equation of motion, we have

Q: 2. A car starts from rest and has a constant acceleration of 3.0 ft/s?. Find the average velocity…

A: The average velocity of the object can be given by the expression, The displacement can be…

Q: 29. • At a sports car rally, a car starting from rest accelerates uniformly at a rate of 9.0 m/s?…

A:

Q: 4. A body with an initial velocity of 8 m/s moves with a constant acceleration and travels 640m in…

A: Given data:  Initial velocity (v0) = 8 m/s Displacement (d) = 640 m Time (t) = 40 s Required:…

Q: 2) A car traveling at 31.5 m/s starts to decelerate steadily. It comes to a stop in 9 seconds. How…

A: