2D test review

by Tara Dugan

| 15 QuestionsNote from the author:

2D motion review

1

1 pt

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...

155km/h east

155km/h west

120km/h east

190 km/h east

2

1 pt

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

9.8m/s

9.8m/s^2

-9.8m/s^2

-9.8m/s

3

1 pt

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

True

False

4

1 pt

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

True

False

5

1 pt

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

24m/s

24

17 degrees

NW

6

1 pt

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

straight, gravity

parabolic, inertia

parabolic, gravity

straight, inertia

7

1 pt

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

Gravity on the vertical component

Gravity on the horizontal component

inertia on the vertical component

inertia on the y component

8

1 pt

In projectile problems the Vyf equals _____

Vyo

-Vyo

Vp

9

1 pt

In projectile problems acceleration of the horizontal component is _______

equal to Vxf

-Vxf

0m/s^2

-9.8m/s^2

10

1 pt

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

horizontal, horizontal

horizontal, vertical

vertical, vertical

vertical, horizontal

11

1 pt

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

True

False

12

1 pt

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

20.5m/s

-20.5m/s

35.51m/s

-35.51m/s

13

1 pt

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?

2.09s

4.37s

3.62s

13.1s

14

1 pt

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?

10.241m

.04m

21.45m

15

1 pt

Which of the following are vector quantities?

distance

displacement

velocity

acceleration

speed

Add to my formatives list

Formative uses cookies to allow us to better understand how the site is used. By continuing to use this site, you consent to the Terms of Service and Privacy Policy.