On a horizontal road, a car is traveling West at a constant speed of 4.20 m/sm/s . After 30 ss , it has rounded a corner and is now heading North at a constant speed of 12.6 m/sm/s .    What is the magnitude of the car's average acceleration during this 30 s time interval? 0.56 m/s2 0.28 m/s2 0 m/s2 0.44 m/s2

Q: A woodchuck runs 24.8 m to the right in 4.73 s, then turns and runs 9.1 m to the left in 3.36 s.…

A: Given  Displacements of the woodchuck is s1=+24.8 m and s2=-9.1 m (considering displacement to the…

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…

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A: Velocity versus time graph

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A:

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…

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A:

Q: A car, starting from rest, accelerates in a straight-line path at a constant rate of 5.0 m/s2. How…

A: Initial velocity of car (u) = 0 m/s acceleration (a) = 5 ms2time (t) = 13 seconds

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A: From kinematics equation, v2=u2+2as

Q: 4. A cheetah is squatted 25 m to the east of a vehicle. At time t = 0 the cheetah begins to run due…

A: Given,A cheetah is sqatted 25 m to the east of a vehicle.Position of the cheetah is, x = 25 m + 4.5…

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A:

Q: the grou by n = 2.7st, where his in meters and is in seconds. At after its release does the mailbag…

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Q: A Honda Civic travels in a straight line along a road. Its distance x from a stop sign is given as a…

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Q: 2. An astronaut left the International Space Station to test a new space scooter. Her partner…

A: Simple problem of Kinematics. Please have a good look

Q: Two cars are heading towards one another. Car A is moving with an acceleration of aA = 14 m/s2. Car…

A: Take the initial position of car A to be x=0. Let the two cars meet when the car A is at a distance…

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A:

Q: The speed of a particle moves along the positive x-axis is given by: V = 3t m/s, where t in seconds.…

A: Givenspeed of particle V=3t2 m/s  (in positive x axis)particle moves between time t=0 to t=6 s

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: SITUATION 15: A particle moves along a straight line such that its position is defined by sp=t-3t²…

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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)

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A:

Q: The velocity-versus-time graph shown below corresponds to a cyclist moving alo cyclist from t= 0 s…

A: Solution: From the graph

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: Vi,=9m/s 9,= 3m/s 2 2. Two objects are initially at the x = 0 meter mark at t = 0 seconds. Object #1…

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Q: A public transportation bus makes the position-time graph over a 5.00 hour interval shown in the…

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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…

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A:

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

A:

Q: A public transportation bus makes the position-time graph 60.0 over a 5.00 hour interval shown in…

A: slope of a position time graph tells us about the average velocity of a moving object.

Q: A cheetah is crouched 20 m to the east of a vehicle . Attime t = 0 the cheetah begins to run due…

A: Velocity is assigned to an object in motion, and it is a vector quantity whose magnitude is the rate…

Q: A westward moving bicycle slows down from 10.0 m/s to 4.0 m/s in 3.0 seconds. What is the magnitude…

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Q: A train makes a journey in which at a point on its trajectory a speed of 80.0 km / h is measured…

A: answer:) option (c) explanation:) Acceleration =initial speed-final speedtime interval…

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Q: A car is moving along a straight road with an initial velocity of v=11 m/s and an acceleration, a=8…

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Q: Determine velocity at A , B and C, of an object moving as in the figure ? The name, username and…

A: The mathematical expression for calculating the velocity is given as  v=distance travelled time…

Q: Plot the data from table 2 of a cart in motion. Calculate the displacement and distance the cart…

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Q: A train travels a distance s in a straight line. For the first half of the distance its velocity has…

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Q: A car is moving with a velocity (3.0 m/s) x + (1·0m/s) 4 and 2.0 seconds later its velocity is…

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Q: A particle moving along the x axis has a position given by x = (24t - 2.0t³) m, where t is measured…

A: The magnitude of the acceleration of the particle at the instant (t = 2 sec) when velocity is zero…

Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 219 m/s to the east.…

A: acceleration is defined as the rate of change of velocity.  a = (v-u)/t  here, acceleration  is…

Q: A super ball dropped from rest falls 2 meters vertically downward and rebounds 2 meters upward in a…

A: The ratio of the total distance to the total time taken is the average speed.  The ratio of the…

Q: plane lands on a runway with a speed of 135 m/s, moving east, and it slows to a stop in 14.0 s. What…

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Projectile Motion