QUARTER 4 GRADE 9

QUARTER 4 GRADE 9

9th Grade

50 Qs

quiz-placeholder

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QUARTER 4 GRADE 9

QUARTER 4 GRADE 9

Assessment

Quiz

Science

9th Grade

Hard

Created by

KENTH JAPAY

Used 1+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Projectile motion is a form of motion experienced by an object or particle projected into the air. Which of the following solely affects the motion of the object for it to be called a projectile?

A. mass

B. gravity

C. contact force

D. air resistance

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a free-falling ball is equipped with a speedometer, by how much would its speed-reading increase for every second?

A. 0 m/s

B. 8.9 m/s

C. 9.8 m/s

D. 10.8 m/s

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Zed is playing with a ball on top of a building but the ball falls and hits the ground after 2.6 seconds. What is the final velocity of the ball just before it hits the ground and how high is the building?

A. -23 m/s, 30 m

B. -24 m/s, 31 m

C. -25 m/s, 32 m

D. -26 m/s, 33 m

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A baseball is thrown vertically upward into the air. What is the instantaneous speed of the ball at its highest point?

A. 0 m/s

B. 0.8 m/s, up

C. 9.8 m/s, up

D. 9.8 m/s, down

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an example of a projectile?

A. A spinning top

B. A descending airplane

C. A javelin being thrown from the level ground

D. A man riding in a basket under a hot air balloon

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A soccer player kicks a ball with an initial velocity of 15.0 meters per second at an angle of 30.0° above the horizontal. What is the magnitude of the horizontal component of the ball’s initial velocity (vix)?

A. 5.0 m/s

B. 7.5 m/s

C. 9.8 m/s

D. 13.0 m/s

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The horizontal motion of the projectile is the result of the tendency of any object in motion to remain in motion at constant velocity. Ignoring air resistance, why would the horizontal velocity of a projectile does not change after the initial thrust of the object?

A. The force of gravity keeps it constant.

B. There is no horizontal force acting upon it.

C. There is a horizontal force that keeps its velocity constant.

D. The horizontal motion of the projectile is dependent on its vertical

motion.

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