Instant velocity Study guides, Class notes & Summaries
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Straighterline PHY 250 General Physics Final Exam Questions and Answers Latest 2024 (Graded)
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Anne is riding on a Ferris wheel. From t = 10 s to t = 70 s, the angular position of the wheel is 
described by the function: 
During this time interval, Anne is at the very top of the Ferris wheel at most how many times? 
Select one: 
a. 4 
b. 6 
c. 13 
d. 30 
Feedback 
The correct answer is: 4 
Question 2 
Correct 
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Question text 
Select one: 
a. 42 N⋅m2 
b. 84 N⋅m2 
c. 110 N⋅m2 
d. 170 N⋅m2 
Feedback 
The correct answer is: 42 N⋅m2 
Question 3 ...
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PHYS-91 Science Bowl Exam Questions and Answers for Physics 2024.
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PHYS-91 Science Bowl Exam Questions and Answers for Physics 2024. 
Science Bowl PHYSICS 
Physics - 1 
PHYS-91; Multiple Choice: For the hydrogen atom, which series describes electron transitions to 
the N=1 orbit, the lowest energy electron orbit? Is it the: 
w) Lyman series 
x) Balmer series 
y) Paschen series 
z) Pfund series 
ANSWER: W -- LYMAN SERIES 
PHYS-91; Multiple Choice: Electric current may be expressed in which one of the following 
units? 
w) coulombs/volt 
x) joules/coulomb 
y) cou...
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PHYS-91 Science Bowl Exam Questions and Answers for Physics 2024.
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PHYS-91 Science Bowl Exam Questions and Answers for Physics 2024. 
Science Bowl PHYSICS 
Physics - 1 
PHYS-91; Multiple Choice: For the hydrogen atom, which series describes electron transitions to 
the N=1 orbit, the lowest energy electron orbit? Is it the: 
w) Lyman series 
x) Balmer series 
y) Paschen series 
z) Pfund series 
ANSWER: W -- LYMAN SERIES 
PHYS-91; Multiple Choice: Electric current may be expressed in which one of the following 
units? 
w) coulombs/volt 
x) joules/coulomb 
y) cou...
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Conceptual Physics Practice Test Questions and Answers
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Conceptual Physics Practice Test Questions and Answers 
 
Speed - Answer-How fast an object moves; the distance traveled per unit of time. 
 
Instantaneous speed - Answer-The speed at any instant. 
 
Average speed - Answer-The total distance traveled divided by the time of travel. 
 
Velocity - Answer-An object's speed and direction of motion. 
 
Vector quantity - Answer-A quantity that has both magnitude and direction. 
 
Scalar quantity - Answer-A quantity that has only a magnitude, not a dir...
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EPHE 341 Lab 5 - Vertical Jump Questions with complete solutions
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Kinetic Energy and Jump Height Correct Answer-The relationship between flight height yflight and takeoff velocity vtake-off can be obtained by applying the law of conservation of mechanical energy to the flight phase of the jump. The mechanical energy (E) of the jumper is the sum of the kinetic energy (KE = ½mv2) and gravitational potential energy (PE = mgy). In vertical jumping the effect of air resistance is negligible, and so in the flight phase the jumper can be considered as a projectile i...
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PHYS-91 Science Bowl Exam Questions and Answers for Physics 2024.
- Exam (elaborations) • 144 pages • 2024
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PHYS-91 Science Bowl Exam Questions and Answers for Physics 2024. 
PHYS-91; Multiple Choice: For the hydrogen atom, which series describes electron transitions to 
the N=1 orbit, the lowest energy electron orbit? Is it the: 
w) Lyman series 
x) Balmer series 
y) Paschen series 
z) Pfund series 
ANSWER: W -- LYMAN SERIES 
PHYS-91; Multiple Choice: Electric current may be expressed in which one of the following 
units? 
w) coulombs/volt 
x) joules/coulomb 
y) coulombs/second 
z) ohms/second 
ANSWE...
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AQA A Level PHYSICS (7408/3A) Paper 3 Section A Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
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AQA A Level PHYSICS (7408/3A) Paper 3 Section A Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] A stroboscope emits bright flashes of white light. 
The duration of each flash and the frequency of the flashes can be varied. 
Table 1 shows information about the stroboscope. 
Table 1 
Minimum Maximum 
Duration of each flash / μs 60 300 
Frequency of flashes / Hz 1 150 
The duration of each flash is T1. 
The time from the start of a flash to the start of the next flash is T2. 
The duty c...
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Straighterline PHY 250 Exam Questions and Answers - Latest 2023/2024 (GRADED)
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Straighterline PHY 250 Exam Questions and Answers - Latest 2023/2024 (GRADED) Would an object precess faster if it had more angular momentum? 
Select one: 
a. Yes, because the change in angular momentum depends on its magnitude 
b. Yes, because the energy of the system has increased 
c. No, because precession only depends on the amount of applied gravitational force 
d. No, because the angular velocity of precession is inversely proportional to the magnitude of the 
gyroscope’s angular momentu...
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AQA A Level PHYSICS (7408/3A) Paper 3 Section A Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 47 pages • 2024
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AQA A Level PHYSICS (7408/3A) Paper 3 Section A Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] A stroboscope emits bright flashes of white light. 
The duration of each flash and the frequency of the flashes can be varied. 
Table 1 shows information about the stroboscope. 
Table 1 
Minimum Maximum 
Duration of each flash / μs 60 300 
Frequency of flashes / Hz 1 150 
The duration of each flash is T1. 
The time from the start of a flash to the start of the next flash is T2. 
The duty c...
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aqa as physics – mechanics exam questions and answers
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aqa as physics – mechanics exam questions and answers 
Weight 
Mass x Gravitational Field Strength 
 
 
Vector 
A quantity with size and direction 
 
 
Scalor 
A quantity with size only 
 
 
Newton's 2nd Law 
Resultant Force = mass x acceleration 
 
 
Displacement 
Position of an object relative to an origin 
 
 
Average Speed 
Distance Travelled / Time taken 
 
 
Instantaneous Speed 
distance travelled in an instant / time duration of an instant 
 
 
Average Velocity 
Change in displacement ...
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