PRELIMS SCIENCE 4TH QUARTER

Acceleration is a vector quantity with magnitude and direction. What is the direction of acceleration of the ball during ascent?

• Upward

• downward

• left

• right

What is the acceleration of the ball after 1s?

• 0 m/s²

• -9.8 m/s²

• +98 m/s²

• -98 m/s²

What is the acceleration of the ball at its maximum height?

• 0 m/s²

• -9.8 m/s²

• 3 m/s²

• 4 m/s²

What is the velocity of the ball at the top of its path?

• 0 m/s

• 0 m/s²

• 3 m/s

• 4 m/s

If the ball is thrown with an initial velocity of 15 m/s, what is the final velocity of the ball at a point at the same level as when it was thrown?

• +15 m/s

• -15 m/s

• 25 m/s

• 35 m/s

What force was exerted on the ball 1 second after it was thrown?

• Thrusting Force

• Normal Force

• Force of Gravity

• Earth    

What exerts this force?

• Force of Gravity

• Normal Force

• Thrusting Force

• Earth force of gravity

What is the acceleration of the ball 10 seconds after being thrown up?

• -9.8 m/s²

• 2 m/s²

• 3 m/s²

• 15 m/s²

If the ball took 5s to reach its maximum height, how long will the ball go back to where it was initially launched?

• 5 s

• 10 s

• 7 s

• 8 s

If the ball took 5s to reach its maximum height, how long will it take the ball from the peak going back to where it was initially launched?

• 5 s

• 10 s

• 12 s

• 25 s