How Do You Calculate Projectile Motion from a Cliff?

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To calculate the time it takes for a projectile to hit the ground when launched horizontally from a height of 620 m, one can use the equation for free fall, which is derived from gravitational acceleration. The time can be found using the formula t = √(2h/g), where h is the height and g is the acceleration due to gravity (approximately 9.81 m/s²). For the horizontal distance the projectile travels, the formula d = vt can be applied, where v is the horizontal velocity (220 m/s) and t is the time calculated earlier. It's essential to show effort in solving these problems by identifying relevant equations and applying them correctly. Understanding these principles is crucial for successfully completing physics homework on projectile motion.
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A projectile is shot horizontally at 220 m/s from the top of a 620 m high cliff.

A) How long till the projectile hits the ground?

B) How far from the base of the cliff does the projectile land?


I am going to be honest. I have no idea how to do any of my Physics homework. ): I still have 3 more questions to do too outta 5.
 
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catallie16 said:
A projectile is shot horizontally at 220 m/s from the top of a 620 m high cliff.

A) How long till the projectile hits the ground?

B) How far from the base of the cliff does the projectile land?


I am going to be honest. I have no idea how to do any of my Physics homework. ): I still have 3 more questions to do too outta 5.

Welcome to the PF.

Per the PF rules (see the Rules link at the top of the page), you need to show some effort on your schoolwork before we can be of tutorial help.

What are the relevant equations for these types of problems? They are listed in your textbook or other learning materials. The equations relate the position, velocity and acceleration of the object versus time. Can you write those general equations here? And then how would they apply to these questions?
 
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