0
Does uniform negative acceleration properly characterize the motion of a heavy object thrown violently downward from a tall building?
Wiki User
∙ 13y ago
The largest variation from two objects moving downward either 'dropped' or 'thrown' thereby allowing earth's natural gravity to increase until an object approaches and/or reaches maximum velocity. The difference in the two examples, 'dropped' or 'thrown' objects merely illustrates that the "thrown" object will reach maximum velocity quicker than the 'dropped' object.
Wiki User
∙ 13y ago
Yes, uniform negative acceleration (specifically gravity) can accurately describe the motion of a heavy object thrown downward from a tall building. The object would experience a constant acceleration due to gravity as it falls towards the ground. This acceleration would cause the object's velocity to increase over time until it reaches the ground.
Wiki User
∙ 13y agoYes. "Violently" simply means that the object has a large initial downward velocity.
Its vertical speed after time 't' is still V0+gt, just as if it were gently dropped and V0=0.
Wiki User
∙ 12y agoYes it does. The object's acceleration is still 9.8 meters per second2 downward,
regardless of its initial velocity up, down, or sideways.
Add your answer:
Earn +20 pts
Describe how the velocity and acceleration of an object change as it fell from tall building?
The magnitude of the velocity will increase. The velocity will be downward - and since it increases, the acceleration will be downward. The acceleration doesn't change (it will remain constant at about 9.8 m/sec2), unless air resistance becomes significant.
When riding in an elevator why does a person appear to lose weight when accelerating downward?
Weight is felt by the body resisting the pull (acceleration) of gravity. Less acceleration means less pull thus less weight. The rate at which you are accelerating downward subtracts from the pull of gravity, thus your weight is less. If you fall, say from a cliff or tall building you accelerate downward at exactly the acceleration of gravity so you're completely weightless.
Is acceleration due to gravity always downward?
Yes.
How is acceleration due to gravity be zero in a parachute?
At terminal velocity (constant velocity), the acceleration is zero, but prior to that, there is a downward acceleration.
How do the horizontal components of a projectile motion vary from the vertical components?
Horizontal . . . acceleration is zero, speed is constant Vertical . . . acceleration is 'G' downward, speed constantly increases downward
Does uniform speed properly characterize the motion of a heavy object thrown violently downward from a tall building?
No. Regardless of its initial speed, the object still experiences downward acceleration at the rate of 'G'.
Describe how the velocity and acceleration of an object change as it fell from tall building?
The magnitude of the velocity will increase. The velocity will be downward - and since it increases, the acceleration will be downward. The acceleration doesn't change (it will remain constant at about 9.8 m/sec2), unless air resistance becomes significant.
When acceleration upward or downward direction is taken positivw or negative?
If it is gravitational acceleration then it it is positive in downward and negative in upward direction..if it is not gravitational acceleration then it is depending upon the value of acceleration.
When riding in an elevator why does a person appear to lose weight when accelerating downward?
Weight is felt by the body resisting the pull (acceleration) of gravity. Less acceleration means less pull thus less weight. The rate at which you are accelerating downward subtracts from the pull of gravity, thus your weight is less. If you fall, say from a cliff or tall building you accelerate downward at exactly the acceleration of gravity so you're completely weightless.
Is acceleration due to gravity always downward?
Yes.
How is acceleration due to gravity be zero in a parachute?
At terminal velocity (constant velocity), the acceleration is zero, but prior to that, there is a downward acceleration.
How do the horizontal components of a projectile motion vary from the vertical components?
Horizontal . . . acceleration is zero, speed is constant Vertical . . . acceleration is 'G' downward, speed constantly increases downward
An object has initial velocity in the upward direction a final velocity in the downward direction and undergoes constant acceleration What can you say about its average acceleration?
The average acceleration of the object will be negative since it changes direction from upward to downward velocity. The acceleration will be constant because the object undergoes constant acceleration throughout the motion.
An object is dropped and falls to the ground with acceleration of g if its thrown upward at an angle its acceleration would be 0 larger than g g upward g downward or none of the above?
The acceleration of the object would still be g downward, regardless of the angle at which it is thrown upward. The acceleration due to gravity always acts in the downward direction towards the center of the Earth. The only difference would be the horizontal component of the velocity due to the initial angle of the throw.
What is the acceleration of falling body at 0.5 seconds?
acceleration of a falling body is 9.8m/s*s and its direction is vertically downward.
When a ball is thrown upwards is there any change in its acceleration all throughout its motion?
Yes, the acceleration of the ball will change. Initially, the acceleration is downward (due to gravity) while the ball is speeding up. As it reaches its peak height, the acceleration becomes zero. On the way back down, the acceleration is again downward and the ball speeds up due to gravity.
How accelerate change when third force act in downward direction?
Then - according to Newton's Second Law - you would have more acceleration downward.
