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Velocity and Acceleration of projectiles?

Im confused :(

True or false questions such as

1. Projectiles vertical velocity thrown up is constant.

2. Projectile horizontal velocity is 0.

3. Cart rolled and ball dropped has a horizontal and vertical velocity of ( -9.8, -9.8 $

Help

1 Answer

Relevance
  • 4 years ago

    1. Projectiles vertical velocity thrown up is constant. FALSE Vy = Vyo - gt

    2. Projectile horizontal velocity is 0. False, only if trajectory is perfectly vertical.

    3. Cart rolled and ball dropped has a horizontal and vertical velocity of ( -9.8, -9.8 $ Could be, don't have all the information.

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