Projectile Motion

A _______ is any object that once projected or dropped continues in motion by its own inertia and is influenced only by the downward force of gravity.

• projectile

• parabola

1)    Projectiles travel with a ________ trajectory due to the influence of gravity.

• parabolic

• straight

When the initial launching angle is greater, the _______ the range will be.

• shorter

• longer

If a ball is thrown at a 15° angle, it will have a _____ range and height than a ball thrown at a 45° angle.

• shorter

• longer

The initial velocity of Manuel playing “luksong tinik” has horizontal and vertical components that are equal in magnitude. What angle does his velocity make with the horizontal?

• 30°

• 45°

• 60°

• 90°

A sepak takraw is kicked from a height of two meters. What do you think is the path it will follow?

• circular

• linear

• hyperbolic

• parabolic

A goalie made three soccer punts at 70°, 50°, and 30° with varying speeds – all reaching the same maximum heights. Which statement is correct?

• All punts have the same hang time

• The punt at 70° has the longest hang time

• The punt at 50° has the longest hang time

• The punt at 30° has the longest hang time

A volleyball is served at a speed of 8.0 m/s at an angle 35° above the horizontal. What is the speed of the ball when received by the opponent at the same height?

• 4.0 m/s

• 8.0 m/s

• 9.8 m/s

• 16.0 m/s

A Batang Pinoy athlete from your school throws a javelin, always at the same speed, at four different angles (30°, 40°, 60°, and 80°) above the horizontal. Which two throws cause the javelin to land the same distance away?

• 30° and 80°

• 40° and 80°

• 30° and 60°

• 40° and 60°