Grade 11 physics final exam

What is the x component of the vector?

• 14cos(30)

• 14sin(30)

• 14tan(30)

• 14tan^-1(30)

The direction of the 10 N vector would be said to be

• North of West

• North of East

• East of North

• West of North

Tags

NGSS.HS-PS2-1

Vector A (15 m, 90^O), Vector B (9.0 m, 0^O), and Vector C (11 m, 300^O) combine to form Vector R. Which of the following describe Vector R?

• 15 m, 69^O

• 15 m, 21^O

• 16 m, 69^O

• 16 m, 21^O

Change from standard form to scientific notation: 12,000,000

• 12.0  x  10⁷
• 0.12  x  10⁷
• 1.2  x  10⁶
• 1.2  x  10⁷

Write 3.2 x 10³ in standard form.

• 3.200

• 3200

• 32000

• .0032

Multiply:
(9.4 x 10⁶)(3.2 x 10⁵)

• 30.08 x 10¹¹
• 3.8 x 10¹
• 3.008 x 10¹²
• 2.9375 x 10¹

Tags

CCSS.8.EE.A.4

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰
• 3 x 10⁴
• 3 x 10^-4
• 3 x 10^-11

Tags

CCSS.8.EE.A.4

 $\left(4.1\times10^5\right)+\left(5.5\times10^6\right)$  

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

Tags

CCSS.8.EE.A.4

 $\left(2\times10^3\right)-\left(1.9\times10^2\right)$  

•  $1.8\times10$  

•  $1.81\times10^3$  

•  $1.81\times10^5$  

•  $0.1\times10$  

•  $0.1\times10^3$  

Tags

CCSS.8.EE.A.4

A golf ball accelerates off a tee at 15m/s², changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

• 750 seconds

• 35 seconds

• 0.3 seconds

• 3.3 seconds

Tags

NGSS.HS-PS2-1