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Biblioteka

2D test review

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Posljednje ažuriranje almost 8 years ago
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Napomena autora:

2D motion review

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Pitanje 1
1.

An airplane is flying East with a velocity of 155km/h. The wind is blowing toward the East at a velocity of 35 km/h. A person on the ground would measure the velocity of the plane to be...

Pitanje 2
2.

The vertical accelertion due to gravity on a projectile is _____.

Pitanje 3
3.

Acceleration is the rate at which an object's velocity changes.

Pitanje 4
4.

The horizontal motion of a horizontally launched projectile affects its vertical motion.

Pitanje 5
5.

A vector is 24m/s, 17 degress NW. The magnitude of the vector is....

Pitanje 6
6.

Projectiles travel with a ____ trajectory due to the influence of _____.

Pitanje 7
7.

A projectile is any object upon which the only force acting on it it ______.

Pitanje 8
8.

In projectile problems the Vyf equals _____

Pitanje 9
9.

In projectile problems acceleration of the horizontal component is _______

Pitanje 10
10.

On any given projectile, there are no _______ forces and thus no __________ acceleration.

Pitanje 11
11.

Velocity at the highest point in a projectile problem will always be 0m/s.

Pitanje 12
12.

An arrow is shot with a velocity of 41m/s at an angle of 30 degrees. What is the initial vertical velocity?

Pitanje 13
13.

An arrow is shot with a velocity of 41m/s at an angle of 30 degrees. What is the time when the arrow reaches the peak in it's trajectory?

Pitanje 14
14.

An arrow is shot with a velocity of 41m/s at an angle of 30 degrees. What is the distance the arrow will reach at its peak trajectory?

Pitanje 15
15.

Which of the following are vector quantities?