3. A car is coasting backwards down a hill at 3.0m/s [S] when the driver gets the engine started. After 2.5s the car is moving uphill at a velocity of 4.5 m/s [N]. What is the acceleration over the 2.5s time interval?

Q: 9) You run a straight 100 meter dash as fast as you can. Your distance (in meters) from the start…

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Q: 3. A truck travelling along a straight line road at a speed of 20kph, increases its speed to 120kph…

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Q: 4. A car has an acceleration of 8m/s/s, (a) how much time is needed for it to reach a velocity of…

A: 4. Given: Initial velocity=u=0 m/s(car is at rest) Final velocity=v=24 m/s Acceleration=a=8 m/s2…

Q: 2. A ball dropped from a building has traveled 65.8m during the last second of its fall. (a) How…

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Q: (II) A runner hopes to complete the 10,000-m run in less than 30.0 min. After running at constant…

A: Total distance to be travelled by the person, d = 10000 m The person has travelled with constant…

Q: 2. A bus traveling along a straight road accelerates at 2 ms2, for 4 seconds, covering a distance of…

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Q: 3) A cart with an initial velocity of 5.0 m/s to the right experiences a constant acceleration of…

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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: Amir starts riding his bike up a 200-m-long slope at a speed of 18 km/h, decelerating at 0.20 m/s2…

A: Given: Length of slope (l) = 200.0 m. Speed of Amir (va) = 18 km/hr = 5 m/s. Speed of Becky (vb) =…

Q: 15. Go (a) Suppose that a NASCAR race car is moving to the right with a constant velocity of +82…

A: We know that the rate of change of velocity is called accelaration.

Q: 2. (I) Accelerating from rest, a top fuel race car can reach 333.2 mph (=148.9 m/s) at the end of a…

A: (2) Write the given values with suitable variables. u=0 m/sv=148.9 m/sd=402.3 m Here, u denotes the…

Q: While driving south on hwy 400, Jim gets stuck travelling at 1.9 m/s behind a slow truck. He finally…

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Q: 3. A fighter jet lands on the flight deck of an aircraft carrier. The jet must reduce its speed from…

A: Given, Initial velocity vi= 153m/s Final velocity vf= 0m/s Time taken t= 2s We know that,…

Q: 25. Starting from rest, a particle moving in a straight line has an acceleration of a = (2t –…

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Q: What is the initial velocity of an automobile acquiring a final velocity of 32 m/s with an…

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Q: 5. A car with an initial velocity of 9 m/s, accelerates at a constant rate of 3.6_ m/s. a. How much…

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Q: 2.) An object begins from rest and accelerates to a final velocity of Vf= 200 ft/sec in a distance…

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Q: 3. A fighter jet has a liftoff speed of 286 mph. what minimum constant acceleration does this…

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Q: A car travels along a 1000 m path, starting from rest. For the first 300 m, it accelerates at 2.00…

A:

Q: 4. At 12:00 noon, an arctic explorer starts heading back to his base camp located 5.15 km due north,…

A: displacement vector for base camp (d→) = 5.15 km j^d1→ = 6.22 km @15o east of north Let the second…

Q: 9.While accelerating uniformly from rest, an object is displaced 19.0Om north in 7.10s. What is the…

A: given  initial velocity(u)=0(starts from rest) time (t)=7.10 sec displacement(d)=19 m(towards north)…

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: 2. A runner starts from rest toward the finish line 100.0m ahead of her, accelerating at 2.00 m/s?.…

A: Given that, Distance (s)= 100 m Acceleration (a)= 2m/s² Initial velocity (u) = 1 m/s Let the time…

Q: 2. An airplane taking off from a landing field has a run of 500m. If it starts from rest, moves with…

A: Given Data : The distance of the runway is given as s = 500 m. The time taken to cover the distance…

Q: 3. A car,initially at rest, moves along a straight road with constant acceleration such that it…

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Q: 5) A rugby ball on Mars, where the acceleration due to gravity is 0.379g and air resistance is…

A: Let the initial speed of the ball be u Therefore using kinematic equation  v=u-gmarstWhere v is the…

Q: 2. A ball starts from rest and rolls down a hill with uniform acceleration, traveling 190 m during…

A:

Q: 1. A bird on a pond gets airborne by flapping its wings and running on top of the water. (a) If the…

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

Q: A car traveling at a constant speed of 35 m/s passes a trooper hidden behind a billboard. One second…

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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: 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: (II) At highway speeds, a particular automobile is capable of an acceleration of  1.8m/s2 about At…

A:

Q: 6.An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 15.0 m…

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Q: 8. A car traveling at a constant speed of 24 m/s passes a trooper hidden behind a billboard. One…

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Q: 1. A car race starting from rest accelerates at a constant rate of 5.00m/s. What is the velocity of…

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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: 1. What maximum height, in meters, will be reached by a stone thrown vertically straight upward if…

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

Q: Victor is driving south. He is travelling at 12 m/s, when he enters an area with a new speed limit.…

A: 1.

Q: #3. A car slows down uniformly from a speed of 18.0 m/s to rest in 5.00 s. How far did it travel in…

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Q: 3. An automobile starting from rest speeds up to 12 m/s with a constant acceleration of 1.2 m/s.…

A: For the acceleration and deceleration calculate the  Total time   and also draw the v-t and s-t…

Q: 3. A world-class sprinter can reach a top speed (of about 11.5 m/s) in the first 18.0 m of a race.…

A: Given:-            Final speed v = 11.5 m/s                               s = 18 m.

Q: 6. A body moving with constant acceleration covers the distance between two points 60m apart in…

A: (6)Given values:- Distance between two points,(s)=60 m ----(1) Time taken,(t)=6 sec ---(2) Final…

Q: 2. Can an object with a velocity of zero experience an acceleration tlhat is nonzero? Explain.

A: Yes, it is possible. But not permenantly it happens momentarily.  Acceleration means change in…

Q: 39. Hannah tests her new sports car by racing with Sam, an AMT experienced racer. Both start from…

A: (a) The distance covered by Hannah can be determined as, s=ut+12aht2=0t+124.9t2=2.45t2 The distance…

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

A: