An object travels 146 m due east when it turns around and returns to its starting position. The entire trip takes 69.0 seconds. a) What is the magnitude of the displacement of the object? 73.0 m 146 m 292 m 0 m b) What is the magnitude of the average velocity of the object?

Q: The position of a particle moving along the x axis depends on the time according to the equation x =…

A: According to question we need to find displacement from t = 0 sec to t = 1.5 sec.

Q: An athlete is training on a 100 m long linear track. His motion is described by the graph of his…

A: (a) VA= 6 m/s Direction  NE (North East) VB= 0 Direction  (E) East  VC= 1.33 m/s Direction NW (North…

Q: A squirrel has x- and y- coordinates (-2.0 m, 4.2 m) at time t = 0 and coordinates (4.4 m, -1.8 m)…

A: Given Coordinates at t=0 sec are (-2.0 m, 4.2 m) Coordinates at t=4 sec are (4.4 m, -1.8 m)

Q: The position of a particle moving along the x axis is given by x = 6.0t² - 1.0t³, where x is in…

A: give position x =6t2-1t3. we know velocity V = dx/dt = d(6t2-1t3)/dt v= 12t-3t2 M/s where x is in…

Q: particle initially is moving at a velocity with Cartesian components (5.0 m/s, 4.0 m/s) and 5.6 s…

A: Given u̅ =( 5î +4 ĵ )  v̅ = 8 î   t = 5.6 s

Q: A swimmer who can consistently keep the same pace to cover 50 meters in 8.41 seconds sets out to…

A: Given: Speed of current of river vrg=2.94 m/s Swimmer maintain pace to cover 50 m. in 8.41 s.

Q: Based on the velocity and time graph given  how far does the object move in the interval from t=0…

A:

Q: A ball experiences an acceleration of 0.25 m/s2 in the +x-direction while moving at 3.4m/s along the…

A: given,ax=0.25m/s2ivy=3.4m/sj

Q: The acceleration of a particle along an x axis is a = 6.2t, with t in seconds and a in meters per…

A:

Q: Position (m) 50 40 30 20 10 1.0 2.0 3.0 4.0 5.0 6.0 Time (s)

A: From graph we can say the acceleration from 0 to 2s,2 to 3s,3 to 5s and 5 to 6s is zero(since the…

Q: A dog slips out of its collar while going for a walk and runs away at full speed.  By the time the…

A:

Q: An ion's position vector is initially 7 = (-3,9 m )i + (-8.6 m )j + (-3.4 m )k, and 9.3 s later it…

A:

Q: This graph shows the position of a particle as a function of time. What is its average velocity…

A: Given data:  Position of a particle as function of time Required: The average velocity between t =…

Q: The position-versus-time graph shown below corresponds to an ant moving along the + x-direction.…

A: Average velocity = total displacement /total time taken

Q: You drop an object from rest (initial velocity = 0) from a height of 6.8 metres. What is the final…

A:

Q: a) Particle A moves uniformly along the path p = 1/2x ^3. What are the velocity and acceleration…

A:

Q: An object starts from rest at time t = 0.00 s and moves in the +x direction with constant…

A: Given data  The object's initial velocity is: u = 0 The object starts at the time: t1 = 0 s The…

Q: The position of a particle is 7 (t) = (4t"a+ 6y – 2t£) m. a. Determine its velocity and acceleration…

A: r(t) = 4t2i + 6j - 2tk m

Q: The position vector of a particle is given by r (t+1)1 + (t°+1)} m, where t is measured in s. What…

A:

Q: he velocity vx (in m/s) of an object is given by the equation vx = 4t + 3, where t is the time in…

A: Equation of velocity of object is; vx=4t+3 Part A: Displacement of object is calculated by…

Q: 5 Velocity of a particle changes from (3i + 4j) m/s to (6i + 5j) m/s is 2 s. Find magnitude and…

A: Average acceleration refers to the rate at which the velocity changes.  Here, we calculate the given…

Q: +50.0 +40.0 +30.0 A +20.0 +10.0 0.5 1.0 1.5 2.0 2.5 3.0 Time (h) Position x (km)

A: The given values with suitable variables are listed below. Here, xiA denotes the initial position…

Q: The following plot is x vs. t. Select all the regions in time that have negative velocity. 3.25+ 3…

A: Given: The position versus time graph is given as,

Q: A dog running in an open field has components of velocity Vx = 2.6 m/s and Vy = -1.8 m/s at t1 =…

A:

Q: From the top of the engineering building, you throw a ball vertically upward. The ball strikes the…

A: Given : t=4s, h=35m, g=10m/s2 Let the initial velocity of the ball be u. Applying kinematic…

Q: Velocity-Time Graph 8.0 6.0 40 2.0 0.0 -2.000 20 40 80 80 100 120 14 0 160 180 20.0 40 -80 -8.0 Time…

A: We have velocity time graph

Q: A stone is thrown downwards from the top of a 71.0 m high cliff with an initial speed of 1.61 m/s.…

A:

Q: A rocket is launched from the origin with an acceleration of 20.0 m/s2 at an angle of 30.0 degrees…

A:

Q: A student begins at rest and then walks north at a speed of v1 = 0.55 m/s. The student then turns…

A: Given: Speed v1 = 0.55 m/s along north direction Speed v2 = 0.53 m/s along south direction Taking…

Q: A rock is kicked with an initial horizontal velocity of 10.0 m/s in the positive x direction from…

A:

Q: velocity

A: Given: Acceleration of the object is given by the equation, A=(3t2+3t)i+(7t3+6)j At time = 0…

Q: How long did the ball take to return to the juggler’s hand?

A:

Q: The velocity of an object as a function of time is given by v(t) = b + ct - et², where v and t are…

A: Data we have v(t)=b+ct-et2 To find instantaneous acceleration when t=0.63s

Q: The figure shows a graph of the velocity of an object as a function of time. What is the…

A: According to question we need to find--- displacement of particle from 0 sec to 20 sec.

Q: The bacterium Escherichia coli (or E. coli) is a single-celled organism that lives in the gut of…

A: Given,             Zig-Zag constant speed, v = 20 μm/s             Other data in the graph

Q: A mountain lion jumps to a height of 2.80 m when leaving the ground at an angle of 43.1°. What is…

A: Given Height  of the mountain H = 2.80mAngle of launch θ=43.1°

Projectile Motion