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Q 1/4
Score 0
A ball is thrown into the air at an angle of 45 degrees to the horizontal. Which of the following statements is true about the projectile motion of the ball?
30
The angle of projection remains constant throughout the flight.
The vertical component of velocity remains constant throughout the flight.
The total mechanical energy remains constant throughout the flight.
The horizontal component of velocity remains constant throughout the flight.
Q 2/4
Score 0
A cannonball is fired horizontally from a cannon at a height of 5 meters above the ground. Which of the following statements is true concerning the vertical motion of the cannonball?
30
The vertical velocity remains constant throughout the motion.
The vertical velocity increases due to the acceleration caused by gravity.
The vertical velocity is zero since the ball is fired horizontally.
The vertical velocity decreases due to air resistance.
4 questions
Q.
A ball is thrown into the air at an angle of 45 degrees to the horizontal. Which of the following statements is true about the projectile motion of the ball?
1
30 sec
Q.
A cannonball is fired horizontally from a cannon at a height of 5 meters above the ground. Which of the following statements is true concerning the vertical motion of the cannonball?
2
30 sec
Q.
A ball is thrown off a cliff with an initial velocity of 15 m/s at an angle of 30 degrees above the horizontal. Which of the following statements is true about the motion of the ball?
3
30 sec
Q.
A ball is thrown horizontally with an initial velocity of 10 m/s from a height of 2 meters. What is the time it takes for the ball to reach the ground?
