Is it possible for an object to maintain a constant speed while having a non zero acceleration? If it is notpossible, explain why. If it is possible, give an example.

Q: 3. You shoot an object straight up from the surface of the Earth with an initial velocity of…

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Q: 1. Initially, a ball has a speed of 5.0 m/s as it rolls up an incline. Some time later, at a…

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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: A cyclist is coasting up a hill. At t=0, the cyclist has a velocity of 14.5 m/s. a) If the…

A: Given data:  Initial velocity (u) = 14.5 m/s Final velocity (v) = 0 m/s Acceleration (a) = -2.5 m/s2…

Q: Even when moving around a corner, there is no acceleration as long as the object has a constant…

A: The given statement says that there is no acceleration as long as the object has a constant speed,…

Q: An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a…

A: Velocities,  v1 = 9.4 m/sv2 = 13 m/s Time, t = 2.10 s Time when a becomes constant, t = 2.50 s

Q: (A) What is the velocity at t = 2.00s when the fuel runs out? Equations first numbers last (this…

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Q: In a test run, a certain car accelerates uniformly from zero to 19.8 m/s in 2.50 s. (a) What is the…

A: Given: Initial velocity , u = 0 Final velocity, v = 19.8 m/s Time , t = 2.50 s   To determine: (a)…

Q: Driving down the road at a speed of 34.4 m/s, you suddenly notice a fallen tree blocking the road a…

A: The distance at which car stops   S= 87.3-6.6 = 80.7 m.   The initial velocity u= 34.4 m/s  The…

Q: A road will be built from city A to city B through vacant land with a distance as shown in the…

A: Here is a very very interesting question. From this we will know that shortest distance between two…

Q: 2.22 • You are traveling on an interstate highway at the posted speed limit of 70 mph when you see…

A: Given: Initial velocity = 70 mph  Final velocity = 30 mph

Q: Is it possible for an object to have zero velocity and constant nonzero acceleration?

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Q: Let y = v(t) be the downward velocity (in feet per second) of a skydiver after t seconds of free…

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Q: Can a car traveling west simultaneously have an acceleration pointing east? If not, explain clearly…

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Q: a) A train moving in a straight line can develop the constant acceleration ap and the constant…

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Q: (a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a…

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Q: A car travels on a road that is parallel to a train track. The car stops at a traffic light and at…

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Q: An astronaut on a planet with no atmosphere drops a feather into a 8.08m deep crater and records…

A: Given Depth of crater (s) = 8.08 m Time taken (t) = 1.77 s Initial velocity (u) = 0

Q: In a test run, a certain car accelerates uniformly from zero to 16.8 m/s in 2.70 s. (a) What is the…

A: For part (a) Initial velocity is zero.  u = 0 Final velocity, v = 16.8 m/s Time, t = 2.70 cm   For…

Q: 2 A small steel ball, dropped from rest, takes 0.50 s to fall through a vertical distance of 1.25 m.…

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Q: A student fires a cannonball vertically upwards with a speed of 39.0m/s. Determine all unknowns and…

A: Given: The speed of the cannon ball is V=39 m/s. Part(a): The expression for maximum height H is…

Q: 1) You throw a ball vertically upward from the roof of a tall building. The ball leaves your hand at…

A: Given :  Upward speed of the ball, u = 15 m/s  Acceleration due to gravity, g = 9.8 m/s2  Time…