Projectiles Launched Horizontally

Front

What is the definition of a projectile launched horizontally?

Back

A projectile launched horizontally is an object that is thrown or projected into the air with an initial horizontal velocity and is subject to gravitational acceleration downward.

Front

What is the formula to calculate the horizontal distance (Δx) traveled by a projectile?

Back

Δx = v_horizontal * t, where v_horizontal is the horizontal velocity and t is the time of flight.

Front

How do you calculate the time of flight for a projectile launched horizontally from a height?

Back

t = √(2h/g), where h is the height and g is the acceleration due to gravity (approximately 9.8 m/s²).

Front

What happens to the horizontal velocity of a projectile when it is in free fall?

Back

The horizontal velocity remains constant in the absence of air resistance.

Front

What is the effect of air resistance on a horizontally launched projectile?

Back

Air resistance can decrease the horizontal distance traveled by the projectile, as it opposes the motion.

Front

If a vase is kicked off a shelf with a horizontal velocity of 1.6 m/s from a height of 2.5 m, how far will it travel horizontally before hitting the ground?

Back

1.1 m.

Front

What is the significance of the height from which a projectile is launched?

Back

The height affects the time of flight; a greater height results in a longer time before the projectile hits the ground.

Front

In projectile motion, what is the relationship between vertical and horizontal motion?

Back

Vertical and horizontal motions are independent of each other; vertical motion is influenced by gravity, while horizontal motion is constant.

Front

What is the value of acceleration due to gravity (g) used in projectile motion calculations?

Back

g = 9.8 m/s².

Front

How does the initial horizontal velocity affect the range of a projectile?

Back

A higher initial horizontal velocity increases the horizontal distance traveled before hitting the ground.