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Which best describes the speed of a ball as it is thrown straight up into the air and comes back down?
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A stone is thrown straight upward and it rises to a height of 20 meters With what speed was it thrown?
6.261 m/s
A ball is thrown upward and caught when it comes back down In the presence of air resistance the speed with which it is caught is?
less than the speed it had when thrown upward.
A ball is thrown straight up At the top of its path its instantaneous speed is?
If it is thrown at an angle, at the top of its path, its vertical velocity will be zero, however its horizontal velocity will be the same as its initial horizontal velocity minus whatever loss in speed as a result of air friction at that point. We won't know what that is without more information.
What describes an object with constant velocity?
Constant speed, moving in a straight line, zero acceleration, zero net force acting on it.
A ball is thrown with enough speed straight up so that it is in the air several seconds What is the velocity of the ball when it gets to its highest point?
A the highest point its velocity will be zero.
A stone is thrown straight upward and it rises to a height of 20 meters With what speed was it thrown?
6.261 m/s
A ball is thrown upward and caught when it comes back down In the presence of air resistance the speed with which it is caught is?
less than the speed it had when thrown upward.
A ball is thrown straight up At the top of its path its instantaneous speed is?
If it is thrown at an angle, at the top of its path, its vertical velocity will be zero, however its horizontal velocity will be the same as its initial horizontal velocity minus whatever loss in speed as a result of air friction at that point. We won't know what that is without more information.
A ball is thrown straight up with an initial speed of 20 m calculate its initial speed take g10 ms-2?
Its initial speed cannot be 20 m, as stated in the question. Secondly, if the initial speed is correctly given, then there is no need to calculate it!
What describes an object with constant velocity?
Constant speed, moving in a straight line, zero acceleration, zero net force acting on it.
A ball is thrown with enough speed straight up so that it is in the air several seconds What is the velocity of the ball when it gets to its highest point?
A the highest point its velocity will be zero.
Does velocity describes the speed and direction of an object?
Velocity only describes the speed. Vector describes both speed and direction. That entails trigonometry.
Does different speed of two objects effect the time it takes to reach the ground?
If thrown horizontal from same height the faster object will travel farther horizontally, but time to fall is the same. If thrown straight up, the faster object will take longer to fall
What speed of a car describes?
speed
Will two free fall bodies with different initial speeds reach ground together?
No. The one with higher initial speed will hit the ground first if they are both thrown straight down.
Which describes the average velocity of an ant traveling at a constant speed in a straight line on the kitchen counter?
The slope of the ant's displacement vs. time graph The total displacement divided by the time.
If a car is traveling at a constant speed of 60 miles per hour for 30 minutes what is the acceleration?
Constant speed (in a straight line) means there is no acceleration.Constant speed (in a straight line) means there is no acceleration.Constant speed (in a straight line) means there is no acceleration.Constant speed (in a straight line) means there is no acceleration.
