
Physics Quiz
Authored by Morgan Patton
Science
12th Grade
NGSS covered
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A point is positioned at a distance R from the origin in Q1 at an angle φ with respect to the positive x-axis. What is the position of the point in unit vector notation?
Rcosφi + Rsinφj
-Rcosφi - Rsinφj
Rsinφi - Rcosφj
-Rsinφi + Rcosφj
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A particle is moving in the xy-plane. At t=0s, the particle’s velocity is 2m/s in the +x-direction. At t=3s, the particle’s velocity is 6 m/s in the +y-direction. What is the average acceleration of the particle between t=0s and t=3s?
2 m/s² at 45 degrees above the +x-direction
2 m/s² at 45 degrees above the -x-direction
1 m/s² in the +y-direction
1 m/s² in the -y-direction
Tags
NGSS.HS-PS2-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A toy car moves in the x-direction with an acceleration given by the equation a=30-3t², where t is time in seconds and a is in m/s². At t=0, the toy car is located at position x=5 m and has a velocity v=4 m/s. Which of the following correctly represents the position, x, in meters, of the toy car as a function of t?
x = -1/2 t⁴ + 15t² + 4t + 5
x = -1/3 t³ + 15t² + 4t + 5
x = -1/3 t⁴ + 15t² + 4t + 5
x = 1/2 (30 - 3t²)t² + 4t + 5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A projectile is launched from a height h₀ with an initial velocity v₀ at an angle θ to the horizontal. Which of the following expressions gives the total time the projectile is in the air before hitting the ground?
(v₀ * sin(θ) + sqrt((v₀ * sin(θ))² + 2gh₀)) / g
(v₀ * sin(θ) - sqrt((v₀ * sin(θ))² + 2gh₀)) / g
(v₀ * cos(θ) + sqrt((v₀ * cos(θ))² + 2gh₀)) / g
(v₀ * sin(θ) + sqrt((v₀ * sin(θ))² - 2gh₀)) / g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Position vectors C and D are given as C = (3î + 6ĵ)m and D = (2î + 4ĵ)m. What is C-3D in unit-vector notation form and the magnitude of this vector?
Unit-vector Notation: (-3î - 6ĵ)m Magnitude: 6.7m
Unit-vector Notation: (-3î - 6ĵ)m Magnitude: 9m
Unit-vector Notation: (9î + 18ĵ)m Magnitude: 20m
Unit-vector Notation: (9î + 18ĵ)m Magnitude: 21m
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two trains are at rest on parallel tracks. At t=0, both trains start moving in the same direction. The first train accelerates at a constant rate a₁ for a time t₁, covering a distance of D. If the second train accelerates at a constant rate of a₁/3 for a time 3t₁, what is the distance covered by the second train from 0 to 3t₁, in terms of D?
D/3
D
3D
9D
Tags
NGSS.HS-PS2-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The position of a particle is given by x(t) = Dt^3 + E and y(t) = Ft^2 - G, where D = 2m/s^3, E = 1m, F = 4m/s^2, G = 3m, and t is in seconds. The magnitude of the particle’s acceleration at t = 0 and at t = 2s are a_0 and a_2, respectively. Which of the following statements about a_0 and a_2 is correct?
a_0 = a_2
a_0 > a_2 = 0
0 = a_0 < a_2 $
0 < a_0 < a_2
Tags
NGSS.HS-PS2-1
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