Projectile

Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object will hit the ground first?

• A

• B

• Both objects hit the ground at the same time

• unable to determine with the given information

The shape of the path a projectile follows...

• circular

• linear

• wavy

• parabolic

What is the vertical acceleration of a projectile?(neglect air resistance) 

• 0 m/s²

• 9.8 m/s²

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

In a projectile motion we always have...

• component (x)

• components (x,y, and z)

• components (x and y)

• components

What is the direction of the acceleration for any projectile?

• The direction the projectile is traveling.

• Down

• Up

• Sideways

A projectile is fired with initial velocity v_o at an angle θ₀ with the horizontal and follows the trajectory shown above. Which of the following pairs of graphs best represents the vertical components of the velocity and acceleration, v and a, respectively, of the projectile as functions of time t?

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• 
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• 
• 

Tags

NGSS.HS-PS2-1

A ball is thrown and follows the parabolic path shown above. Air friction is negligible. Point Q is the highest point on the path. Points P and R are the same height above the ground. Which of the following diagrams best shows the direction of the acceleration of the ball at point P?

• 
• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

If a ball thrown straight up into the air takes 4 seconds to reach the top (peak), how long will it take to travel from the peak back to the original position?

• 0s

• 1s

• 3s

• 4s

The more mass an object has, the faster it will fall.

• True

• False

Tags

NGSS.MS-PS2-4

If a projectile is launched with an initial vertical velocity (Voy) of 60 m/s, how long will it take to reach its highest point?

• 5 seconds

• 6 seconds

• 7 seconds

• 7.5 seconds