3. A car moving along X- axis according on the function:X (t) = 2 t² + 5 t +7 on [1,2] Find:a- The average velocity. b- The acceleration at 3s.Tulie is walking around a track at a 2m/s for some exercıse. osoft WordPDFescape Desktop Creatorminutes?3. A car moving along X- axis according on the function:X (t) = 2 t² + 5 t +7_on [1.2] Find:a- The average velocity. b- The acceleration at 3s.4. Julie is walking around a track at a 2m/s for some exercise. She th

a. The average velocity can be calculated as follows, vavg=X2-X1t2-t1=X2-X12 s-1…

Answered: 3. A car moving along X- axis according…

3. A car moving along X- axis according on the function: X (t) = 2 t² + 5 t +7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Related questions

Q: A small ball is thrown straight up from just past the edge of the roof of a building. The ball is…

Q: Over a period of 3.0 s a car’s velocity changes from 18 m/s [W] to 12 m/s [W]. What is the car’s…

A: Given: t=3.0 su=18 m/sv=12 m/s

Q: When X = 5t^2+ 10t -3, the velocity at 4s is: 50 m/s .A 110 m/s .B 25 m/s .C 30 m/s .D

A: The position of an object is given by a function of time as shown below. x=5t2+10t-3 The velocity is…

Q: 29. The position of a particle for t > 0 is given by ĭ (1) = (3.0r² i – 7.0r j – 5.0r-2 k ) m. (a)…

A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. (a) The…

Q: 3. An object released from rest at time t 0 slides down a frictionless incline a distance of 1 m…

Q: a car passes a parked police car at 70mi/hr. the police car immediately accelerates at 6ft/sec2 at…

A: Given : Speed of car, vc = 70 mi/hr = 31.29 m/s Initial speed of the police car, up = 0…

Q: When a ball is thrown straight up, by how much does its speed change each second? Neglect air…

A: In the upward motion, the acceleration due to gravity is given as, a = -g According to Newton’s…

Q: A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.9t - 3.8t2 with…

A: A particle is moving along the x-axis and its position is given by the equationwhere x is in meters…

Q: . A ball is directly thrown upward with a velocity of 5 m/s. (a) Find the maximum height reached in…

Q: In m/s?, what is the acceleration when t = 7.5 sec? Express your answer as an integer, not as a…

A: The acceleration at a time in velocity-time graph represents the at that time.

Q: A ball is dropped from an ocean cliff. The sound of the ball splashing into the ocean is heard 4.0 s…

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: A particle starts from rest and undergoes accelerations as plotted in Fig. 3 below for the first…

Q: a plane suffers a failure and is falling at a speed of 33 m / s. It was shown to hit the ground 6…

A: Given:- V= 33 m/s Time to hit the ground = 6 sec Find;- How high was the plane when it failed?

Q: (i) Sketch the velocity-time graph for P's motion. The displacement of P from O, at timet seconds…

Q: Sound travels at 340 m/s. How long does it take the sound of a starter's pistol shot to travel 1.0 x…

A: Speed of sound=340m/s Distance travel=1×10^2m Time=?

Q: 3. A 13kg cannon ball was dropped from a height of 180 ft above the ground. If there is no air…

A: Initially ball is in rest (vi) = 0 Final distance (yi) = 0 Conservation law becomes (1/2)mvf2 =…

Q: 4. 0 Road Race OO OO 2 3 One person started in a car, ran out of gas, and finished on a pogo stick.…

A: Page 1

Q: A vehicle accelerates down an on ramp and eventually reaches highway speed. The position of the…

A: The position of the particle at any time is given by the equation: x(t) = At2t +B Now as the…

Q: 3. A dropping ball initially at rest falls 1.5m. Calculate (a) the traveling time of the ball and…

Q: In a rally a road is designed so that the minimum acceleration for a car to jump is 13.4 m/s². The…

Q: A bus drives east at 10.0 m/s. After 3.0 minutes, the bus accelerates at 0.500 m/s^2 until it…

A: See below

Q: Moving at a speed of 20 m/s, a tricycle carrying a civil engineer begins slow at a constant rate of…

Q: 4. A stone is thrown straight down from the observation deck of a tall building 450 meters above the…

Q: When velocity and acceleration are both negative, then the speed of the particle is

A: when velocity and acceleration are both negative, they are same in sign.

Q: 29. A 150 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to…

A: Given value--- length of train = 150 m. velocity of train = 45 km/h . length of bridge = 850 m. We…

Q: top 2. I throw a ball down towards the ground from the of a tall building that is 11m high. The ball…

Q: A particle moves in the x-y plane, starting from the origin with an initial velocity of ( 4i -8.7j)…

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

Q: 20%) Problem 3: A car starts with a speed of 8.7 m/s and has an acceleration of 3.5 m/s². D A How…

A: The equation of motion is given by s=ut+12at2 Here, s is the distance traveled, u is the initial…

Q: What constant acceleration, in SI units, must a car have to go from zero to 60 mph in 10 s?

A: We have to find the constant acceleration of the car. We are aware that the automobile must…

Q: 3.2. A car moves at 50 km/h for h and then at 60 km/h for 2h. (a) How far did it go? (b) What was…

A: 3.2 Given: v1 = 50 km/h t1 = 1/2 h v2 = 60 km/h t2 = 2 h

Q: 1. An object is dropped from the top of a 100-m-high tower. Its height above ground after t sec is…

A: Given Data:Height Of Tower from which object is Dropped = 100 mThe height of the object above ground…

Q: .) The velocity function (in meters per second) for a particle moving along a line is given by…

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: . A cheetah can accelerate from rest to a speed of 30 m/s in 7s. What is its acceleration? Given:…

A: Given: Initial velocity (v0) = 0 m/s Final velocity (v) = 30 m/s Time (t) = 7 s Unknown:…

Q: . An airplane taking off has a 500 m runway. If it starts from rest, constantly accelerates, and…

A: Given data: Initial velocity (Vi) = 0 m/s Distance traveled (Δs) = 500 m Time (t) = 30 seconds…

Q: Two men are carrying a horizontal pole that is 8.0 m long and weighs 400. N. They are at its' two…

A: Solution-Given thatWeight of pole (W)=400 NLength of pole (L)=8 mCenter of gravity of pole from one…

Q: Falls resulting in hip fractures are a major cause of injury and even death to the elderly.…

A: Given data,Initial speed, vi = 2.0 m/sFinal speed, vf = 1.3 m/sCompression distance, d=2.0 cm =…

Q: a, m's Kalkış 12 1. S The acceleration of an airplane changes until it takes off. as shown in the…

A: We have to calculate the take off speed of the airplane Here initial velocity is u= 0 m/s We are…

Q: Chapter 4- questn-30 The velocity of a particle moving in the xy plane is defined by i = (6.0t –…

Q: 20.0 10.0 0.0- 5,0 10.0 15.0 20.0 25.0 t(s) -10.0 17% Part (a) What is the velocity at -- 10 v…

A: Given The initial position = 45 m time =22.2 s e. From graph at time 22.5 sec , velocity = -14 m/s…

Q: 1. A train leaves the station on a 50 km commute. The train must make a 60-second stop every 1.0 km…

Q: A particle moves at a velocity V=4t + 10m/s After 6s The velocity is changed to V= 46 -2t m/s After…

A: The a-t diagram can be obtained by using the slope of v-t diagram. Also, the s-t diagram can be…

Q: . A car that travels at 8.9 km/hr for 2.0 hrs, at 3.6 km/hr for 1.0 hr and at 2 km/hr for half an…

Question

3. A car moving along X- axis according on the function:
X (t) = 2 t² + 5 t +7 on [1,2] Find:
a- The average velocity. b- The acceleration at 3s.
Tulie is walking around a track at a 2m/s for some exercıse.

osoft Word
PDFescape Desktop Creator
minutes?
3. A car moving along X- axis according on the function:
X (t) = 2 t² + 5 t +7_on [1.2] Find:
a- The average velocity. b- The acceleration at 3s.
4. Julie is walking around a track at a 2m/s for some exercise. She th

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

. 2 Il 3 I 5 II I6 I 13). What is the acceleration of a Ford Mustang GT that can go from 0.00 to 27.8 mls in 5.15 seconds?
. 37) A cheetah can accelerate from rest to a speed of 30.0 m/s in 7.00 s. What is its acceleration?
3. A boulder rolls over a 50m high cliff. How fast was the boulder moving if it was found 180 m on the ground? At what time did the boulder hit the ground? At what velocity was it approaching the ground?
@4
10. An antelope moving with constant acceleration covers the distance between two points 70.0 m apart in 7.00 s. Its speed as it passes the second point is 15m/s (a) What is its speed at the first point? (b) What is its acceleration?
1
5. A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. The plane flies 100 m above the glacier at a speed of 150 m/s. How far short of the target should it drop the package?
2. A piece of stone was thrown straight upward with a speed of 20.0 m/s. it was caught on its way down at a point 5 m above where it was thrown. A) How fast was it going when it was caught? B) How long did the trip take? 3.
The velocity of a particle which moves along the x axis is given by v = 2- 4t +5 tz, where t is in seconds and v is ft/s. The particle is at the position x, = 3ft when t -0. Find the ffg: 1. position when t = 3sec 2. Acceleration when t = 3sec
What is her velocity at 15 s?
Could I have help with this physics problem
3. A car starts from rest with an acceleration of 2.0 m/s^2. What is its velocity after it has gone 200.0 m?