Relative Velocity/Projectile motion

A ball kicked horizontally with an initial speed of 30 m/s. if the situation asks to find the distance covered, we should solve for _______.

• d_x

• d_y

• v_x

• v_y

A coin tossed vertically upward and it reaches the highest point in 7.0s. at the highest point, the velocity is _______.

• 9.8 m/s

• 0

• 9.8 m/s² 

• 98 m/s²

A coin tossed vertically upward. when it reaches the highest point where the object momentarily stops, the acceleration of this projectile is _____.

• 9.8 m/s

• 0

• 9.8 m/s²

• 98 m/s²

A ball is thrown vertically upward. When it reaches ground after falling from the highest point, its velocity is usually at maximum just before it hits the ground. In this situation, the acceleration of this projectile is _____.

• 9.8 m/s

• 0

• 9.8 m/s²

• 98 m/s²

The following quantities are important in the study of a projectile motion EXCEPT ______.

• speed of the projectile

• mass of the projectile

• height of release

• time covered

It is the path of a projectile.

• displacement

• velocity

• speed

• trajectory

It is the speed before a projectile is affected by gravity.

• initial speed

• average velocity

• final speed

• displacement

It is the speed usually before the object touches the ground.

• initial speed

• final speed

• acceleration

• trajectory

The value of the acceleration due to gravity of the Earth.

• 980 m/s

• 9.8 m/s

• 9.8 m/s²

• 98 m/s²

An object or body undergoes projectile motion.

• trajectory

• parabola

• range

• projectile