Physics Quiz1

If the position function for a particle is s(t) = -t² - t, what is the instantaneous velocity function for the particle? 

• v(t) = -2
• v(t) -2t - 1 
• v(t) = t³
• v(t) = -t

Tags

CCSS.HSN.VM.A.3

CCSS.HSF.IF.A.2

CCSS.HSF.IF.A.1

The acceleration function is the first derivative of...

• position
• velocity
• calculus
• particle motion

Given x(t)=t³-4t²+7, what is the initial position?

• 11
• -10
• 7
• 0

Tags

CCSS.HSA.SSE.A.1

A particle's speed is decreasing if

• it's acceleration is positive
• it's velocity is positive
• it's velocity and acceleration have the same sign
• it's velocity and acceleration have different signs

Tags

CCSS.HSN.VM.A.3

A particle has positive velocity if it's position graph is

• negative
• positive
• decreasing
• increasing

Tags

CCSS.HSF.IF.B.4

v(t)>0 means

• the particle is moving to the right
• the particle is moving to the left
• the particle has positive position
• the particle is at rest

Tags

CCSS.HSF.LE.B.5

Which of the following can be used to determine when a particle is at rest?

• x(t)=0
• v(t)=0
• a(t)=0

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

• position 
• velocity
• acceleration
• total distance

Tags

CCSS.HSN.VM.A.3

CCSS.HSN.VM.A.1

Find  $\frac{dy}{dx}$ :  $y^2=10x$  

•  $\frac{5}{y}$  

•  $\frac{10}{y}$  

•  $\frac{y^2}{5}$  

•  $\frac{y^2}{10}$  

Tags

CCSS.HSF-BF.B.4A

The position of an object is given as a function of time by x = 3t² + 5t³ - 2t
What is the acceleration of the object at time t = 2 s?

• 64 m/s/s
• 60 m/s/s
• 66 m/s/s
• 70 m/s/s

Tags

CCSS.HSF.IF.A.2