If an object is in free fall:

Q: A ball is dropped from a boat so that it strikes the surface of a lake with a speed of 16.5 ft/s.…

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Q: The velocity of a particle is given by v = 20r - 100r + 50, where v is in meters per second and t is…

A: Given - velocity of the particle is given by, v=20t2-100t+50  (in m/s)…

Q: Explain whether the following particles do or do not have an acceleration: (a) a particle moving in…

A: From the definition of the acceleration, the expression for the acceleration is:

Q: Find the position and velocity of an object moving along a straight line given acceleration, initial…

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Q: If a car has zero acceleration must it’s velocity also be zero? Explain

A: Acceleration is define as rate of change of velocity with respect to time.so if acceleration is zero…

Q: 4- A juggler throws a bowling pin straight up in the air. After the pin leaves his hand and while it…

A: Given A juggler throws a bowling pin straight up in the air.

Q: A particle moves along a straight line with an acceleration given by a =2t-6 m/s* determine the…

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Q: At the instant a traffic light turns green, a car that has been waiting at the intersection starts…

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Q: When driving a car is it possible to have a negative velocity and acceleration? Given an example.

A: It is possible to have negative velocity and acceleration. Velocity and acceleration are vectors.…

Q: Describe a situation where an object is accelerating but its velocity is zero.

A: Question is asking for a situation in which object is accelerating but its velocity is zero.

Q: If its position s=0 and velocity v=0 when it is at rest, A.) determine the velocity when s=19 m. B)…

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Q: During a test, a rocket travels upward at 54 m/s and when it is 25 m from the ground its engine…

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Q: Can an object reverse its direction of travel while maintaining a constant acceleration? If so, give…

A: Direction of travel is same as the direction of velocity.Yeah, the direction of travel can change…

Q: The figure shows the unusal path of a confused football player. After receiving a kickoff at his own…

A: Given: The total time interval is 25 s. The distance between the initial position and the final…

Q: Problem 2-54** A stone is dropped into a river from a bridge 43.9 m above the water. Another stone…

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Q: A particle travels along a straight-line path such that in 4 s it moves from an initial position sA…

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Q: A bicycle moves along a straight road with a velocity of  -6.0m/s. The bicycle undergoes a constant…

A: Let the initial velocity and the final velocity of the bicycle is u and v respectively. Assume the…

Q: A friend of yours contends that the acceleration of a ball tossed up into the air is positive on the…

A: Given Upward direction is taken to be positive and downward direction is negative  Also acceleration…

Q: A particle travels along a straight-line path such that in 4 s it moves from an initial position SĄ…

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Q: Pin P moves at a constant speed of 150 mm/s in a counterclockwise sense along a circular slot which…

A: Solution: given that P moves at a constant speed of 150 mm/s  block moves downward at a constant…

Q: An object is launched vertically from the ground. Its engine provides constant upward acceleration…

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Q: An object has an acceleration of zero. Which statement about the object's motion is correct?

A: given a=0

Q: A ball is thrown vertically  upward from the top of a building with an initial velocity of 20 m/s at…

A: a) Let u be the initial speed, s be the distance and a be the gravitational acceleration. Evaluate…

Q: If the speed of an object is increasing, O a.its velocity and acceleration are in opposite…

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Q: The position of a particle moving in a straight line during a 5-second trip is s(t)- 212- 3t +7 cm.…

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Q: Does an odometer in a car measure distance or displacement?Explain

A: The odometer in the car is used to measure the distance. The explanation to this is as shown…

Q: An object is launched upward. While it is moving upward, which of the following statements is…

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Q: Suppose that a car traveling to the west (the -x direction) begins to slow down as it approaches a…

A: Car is moving in negative x direction. Magnitude of velocity decreases where does not change.

Q: The acceleration of a particle moving along a straight line is a = Vs, where s is in meters. If its…

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Q: Which one among the following statements is CORRECT? -An object is in uniform motion when its…

A: Introduction: The different forms of the motions observed inside nature. Depending on the source,…

Q: If the velocity of a particle is zero, can the particle's acceleration be zero? Give an example. If…

A: Velocity:- The speed at which an object's position changes in relation to time and a frame of…

Q: An object is launched vertically from the ground. Its engine provides constant upward acceleration…

A: velocity at given instant (u) = 48 msinitial height (h) = 22 m (the point where the engine is turned…

Q: When a football in a field goal attempt reaches its maximum height, how does its speed at this…

A: When a football in a field goal attempt reached its maximum height it's speed at this position is…

Q: object is thrown vertically upward from the ground with an initial velocity of 1960 cm/sec.…

A: Given  Initial velocity u = 1960 cm/s = 19.6 m/s Acceleration due to gravity = g =- 9.8 m/s

Q: A sailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at…

A: Given that the acceleration during the motion is constant so the equation of motion can be used to…

Q: An object is moving in such a way that the velocity is changing (only direction is changing, but…

A: There are two types of physical quantities. Scalar physical quantities are those which have only…

Q: If the velocity of an object is zero at some point, then its acceleration must also be zero at that…

A: Given that If the velocity of an object is zero at some point, then to discuss about its…

Q: Which of the following is true both times? i. Velocity - Constant ; ii. Velocity - Constant : iii.…

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Q: A red car and a green car identical except for the color, move toward each other in adjacent lanes…

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Q: acceleration of the car

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Q: A vehicle changes velocity from 80.0 4. Given km/hr to 20.0 km/hr in 6.00 seconds. Required: Find…

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Q: For each of the following journeys find (a) the initial and final positions [b] the total…

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Q: A car moves with a uniform speed of 80kmph for 15 seconds. then it is made to stop in next 16s.…

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