(Q1) Which of the following statements is true about a baseball that is thrown b
ID: 249143 • Letter: #
Question
(Q1) Which of the following statements is true about a baseball that is thrown by a pitcher.
(Select all answers that apply.)
The horizontal velocity of the baseball will not change after it has left the pitcher's hand.
The vertical acceleration of the baseball is zero.
If the height of the release of the ball is the maximum height for the entire trip, then the vertical velocity of the baseball as it crosses the plate will be negative.
If the height of the release of the ball is the maximum height for the entire trip, then the time the baseball spends in the air is given by the equation
Q2) A velocity-time graph describing the motion of a train is shown below:
What is the total displacement of this train (in meters), relative to its starting point?
(Do not enter units in your answer, and go out to two decimal places. In other words, 34.87 m should be entered as 34.87.)
Q3) A velocity-time graph describing the motion of a train is shown below:
What is the total distance of this train (in meters), relative to its starting point?
(Do not enter units in your answer, and go out to two decimal places. In other words, 34.87 m should be entered as 34.87.)
The horizontal velocity of the baseball will not change after it has left the pitcher's hand.
The vertical acceleration of the baseball is zero.
If the height of the release of the ball is the maximum height for the entire trip, then the vertical velocity of the baseball as it crosses the plate will be negative.
If the height of the release of the ball is the maximum height for the entire trip, then the time the baseball spends in the air is given by the equation
Q2) A velocity-time graph describing the motion of a train is shown below:
What is the total displacement of this train (in meters), relative to its starting point?
(Do not enter units in your answer, and go out to two decimal places. In other words, 34.87 m should be entered as 34.87.)
Q3) A velocity-time graph describing the motion of a train is shown below:
What is the total distance of this train (in meters), relative to its starting point?
(Do not enter units in your answer, and go out to two decimal places. In other words, 34.87 m should be entered as 34.87.)
Explanation / Answer
Q1 The horizontal velocity of the baseball will not change after it has left the pitcher's hand.
there is force on the projectile along horizontal.so there is no acceleration along horizontal. so the velocity along horizontal remains constant
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