A bus moves with uniform velocity along a straight line path. If the average velocity of the bus is 80 km h then its instantaneous velocity at t=0 is km h-1.

Q: A car moves from the point (6 m) i + (7 m) j  to the point (6 m) i - (6 m) j in 8 s. What is the…

A: Given data: Initial position of the car, xi=6 mi^+7 mj^ Final position of the car,  xf=6 m i^-6 m j^…

Q: A particle is moving from the origin with acceleration: a=(26-12t)ms^-2 At t=4 seconds the…

A: Solution

Q: 12–11. A particle travels along a straight-line path such that in 4 s it moves from an initial…

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Q: Given the Velocity-Time graph of an object moving in straight line. Find the average speed and…

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Q: The magnitude of average velocity is always less than or equal to the average speed. Explain why?

A: Let us assume point A and B and with a straight line joining both of them separated by d distance.

Q: y_large (cm) 100 50 -50 0.1 0.2 0.3 time (s) Record the slope of this line as the velocity for…

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Q: A track coach starts an analogue stopwatch and lets it run for 60.0 s. The sweep hand on the…

A: The sweep moves with constant angular velocity and complete 2π angular displacement in 60 seconds.…

Q: What is the displacement of a man who walk 10 m east, 5 m north, and 2 m west? A. † = (17î + 5ĵ)m B.…

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Q: A plane can travel with a speed of 80 mi/hr with respect to the air. Determine the resultant…

A: Since the student have posted multiple sub-parts, we have answered the first three sub-parts.

Q: If a body is moving on a circular path, what is its average velocity if it completes one cycle in…

A: With in 1 second the average velocity is zero, because displacement is 0.

Q: A receiver on a football team runs 8.0 m [E] and then turns abruptly to run 12.0 m [W]. If the…

A: first leg of displacement of player = 8 m due east second leg of displacement of player = 12 m due…

Q: An elevator is traveling downward at decreasing speed. If up as chosen as the positive direction,…

A: The elevator has no acceleration, when standing still, or moving with constant speed. The elevator…

Q: An object is initially moving in the x-direction at 3.7 m/s when it undergoes acceleration in the…

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Q: A car starts from rest and accelerates uniformly for t seconds to a speed v m/s. It maintains this…

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Q: What is the magnitude of the horizontal displacement of a body moving at (5i + 3j) m/s after 5…

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Q: If a body moves with a uniform speed in a circular motion, then______.   A) its acceleration is…

A: In the uniform circular motion, the speed is constant but the direction of motion is changing every…

Q: Two cars of the same speed of 5 m/s approach each other on parallel tracks. If the cars were…

A: Given: Speed of the Car==5 ms The initial distance between the car=200 m

Q: Two particles A and B move with constant velocity about the same axis ?̂ in the opposite direction.…

A: The particles A and B move with constant velocity in opposite direction. The distance between the…

Q: Determine the magnitude of the displacement (in meters) of an object which ... . moves from Hither…

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Q: A car makes a trip due north for three-fourths of the time and due south one-fourth of the time. The…

A: Let t is the total time for the entire trip. Velocity to the northward vN=43 m/s Time taken to cover…

Q: A truck drives due south for 1.2 km in 1.5 minutes. Then, the truck turns and drives 1.2 km due west…

A: The distance covered in both  the direction is same and also in same time.…

Q: A particle is moving along the curve y =x - (x²/a). If the velocity component in the x direction is…

A: Given: a = 400 m v0 = 2 m/sec ao = 0 m/sec2 xl = 20 m Question ? determine the magnitudes of the…

Q: Give an example of a scenario where the magnitude of the average velocity of an object is zero while…

A: Before jumping on to scenario we will first discuss a few parameters of motion which are as…

Q: A car moves along a straight line with velocity in m/s given by v = t^ 2+ 3. The velocity at t-0 is.

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Q: 142 (m)

A: Given, Initial Velocity of A = 6.0 m/s Initial Velocity of B = 5.0 m/s Distance between two…

Q: A car is moving on a straight line with a variable speed according to the equation v=5t+3 and the…

A: Acceleration is the rate of change video with time.  So to get acceleration we have to differentiate…

Q: An iceboat sails across the surface of a frozen lake with constant acceleration produced by the…

A: Given data:  Initial velocity (Vi ) = (2.69 î - 2.98 ĵ)m/s Time (t) = 3.00 s Final velocity (Vf) =…

Q: t (s) 8c2p39) As two trains move along a track, their conductors suddenly notice that they are…

A: The vertical scaling is given as vs = 22 m/s for the 4 positive vertical blocks so the scale per…

Q: A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h…

A: Write the given values with the suitable variables. u=0 m/sv=40 km/hr=40×10003600 m/s=11.11 m/st=10…

Q: The y-coordinate of a particle in curvilinear motion is given by y = 2.4t3 - 10.6t, where y is in…

A: Write the given values with suitable variables. y=2.4t3-10.6tax=5.8tt=2.1 s

Q: The average speed becomes a close approximation to the instantaneous speed when: Select one: O The…

A: The average speed becomes a close approximation to the instantaneous speed when body is moving in an…

Q: At time t = 13 s, the velocity of a particle moving in the x-y plane is v = 0.09i + 2.90j m/s. By…

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Q: A horse and a squirrel participate in a race over a 1.80 km long course. The horse travels at a…

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Q: Which of the following statements is incorrect for instantaneous velocity? O The average velocity is…

A: The incorrect Statement is "The instantaneous velocity is always tangent to the pat of an object "

Q: A runner travels 1.5 laps around a circular track in a time of 50 s. The diameter of the track is 40…

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Q: If an object has a constant x-component of the velocity and suddenly experiences an acceleration in…

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Q: 12–22. A sandbag is dropped from a balloon which is ascending vertically at a constant speed of 6…

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Q: PLS HELP!

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Q: Determine the the changes in position of the object for the time interval Os-10s 2- 10 t (s) 2m/s…

A: At 0 s the position of the object is 2 m and at 10 s the position of the object is 6 m. The changes…

Q: A runner travels I.5 laps around a circular track in a time of 50 s. The diameter of the track is 40…

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Q: An object's position is described by the following polynomial for 0 to 10 s s= P - 156 + 54t where s…

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Q: Uniform circular motion occurs when an object moves in a circular path with a constant velocity. O…

A: A circular motion is uniform when the object moves with constant speed along circular path.Since the…

Q: You are going to your hometown by a bus that is moving with constant speed. During the journey, if…

A: If we consider there is no air resistance in the bus then the coin will also move at the same speed…

Q: If an object has a constant x-component of the velocity and suddenly experiences an acceleration in…

A: Given that if an object has a constant x - component of the velocity and suddenly experiences an…