Physics jeopardy
description
Transcript of Physics jeopardy
![Page 1: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/1.jpg)
Physics jeopardy Physics review semester exam
![Page 2: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/2.jpg)
Q1• Name the major areas of physics
![Page 3: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/3.jpg)
Q2• Identify the area of physics that is most relevant
to the following • A) a high school football game• B) lighting in a thunderstorm
![Page 4: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/4.jpg)
Q3• What are the activities involve in the scientific
method ?
![Page 5: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/5.jpg)
Q4• Give to two examples of ways that physicists
model the physical world
![Page 6: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/6.jpg)
Q5• Which SI units would you use for the following
measurements?• A) the length of a swimming pool• B) the time it takes a swimmer to swim a lap
![Page 7: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/7.jpg)
Q6• Express the following measurements as indicated• A) 6.20 mg to kilogram• B)88 km to meters
![Page 8: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/8.jpg)
Q7. • Perform these calculations, following the rules for
significant figures• A) 26x0.02584• B)15.3 /1.1• C)782.45-3.5328
![Page 9: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/9.jpg)
Q8• What area of physics deal with the subjects of
heat and temperature?A) mechanics
• B)thermodynamics• C)electrodynamics• D)quantum mechanics
![Page 10: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/10.jpg)
Q9• What area of physics deal with the behavior of
subatomic particles?• A) mechanics• B)thermodynamics• C)electrodynamics• D)quantum mechanics
![Page 11: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/11.jpg)
Q10• What term describes a set of particles or
interacting components considered to be a distinct physical entity for the purpose of study?
• A. System• B. model• C. hypothesis• D. controlled experiment
![Page 12: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/12.jpg)
Q11• What is the SI base unit for length?• A. inch• B. foot• C. meter• D.kilometer
![Page 13: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/13.jpg)
Q12• A light-year is a unit of distance defined as the
distance lights travels in one year. Numerically, 1ly= 9500000000000 km. How many meters in a light year?
• A. • B. • C. • D.
![Page 14: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/14.jpg)
Q13• What is the definition of displacement?
![Page 15: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/15.jpg)
Q14• What is the definition of average velocity?
![Page 16: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/16.jpg)
Q15• What is the definition acceleration?
![Page 17: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/17.jpg)
Q16• What is the SI unit for average velocity and
acceleration?
![Page 18: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/18.jpg)
Q17• A bus travels from El Paso, Texas to Chihuahua,
Mexico, in 5.2 h with an average velocity of 73 km/h to the south. What is the bus’s displacement?
• A. 73 km to the south• B. 370 km to the south• C. 380 km to the south• D.14 km/h to the south
![Page 19: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/19.jpg)
Q18• A ball initially at rest rolls down a hill and has an
acceleration of 3.3 . If it accelerates for 7.5 s, how far will it move during this time?
• A. 12m• B. 93m• C. 120m• D. 190m•
![Page 20: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/20.jpg)
Q19• A car moving eastward along a straight road
increase its speed uniformly from 16m/s to 32 m/s in 10 s.
• A. what is the car’s average acceleration?• B. what is the car’s average velocity ?• C. How far did it move while accelerating?
![Page 21: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/21.jpg)
Q20• Which of the following quantities are scalars,and
which are vectors?• A. the acceleration of a plane• B. the number of passengers on the plane• C. the duration of the fight• D. the displacement of the flight• E. the amount of fuel required
![Page 22: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/22.jpg)
Q21• A rollercoaster moves 85 m horizontally, then
travels 45m at an angle of 30 degree above the horizontal. What is its displacement from tis starting point?
![Page 23: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/23.jpg)
Q22• List an example of each of the following• A. a force causing an object to start moving• B. A force causing an object to stop moving• C. A force causing an object to its direction
![Page 24: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/24.jpg)
Q23• Give two examples of field force and two
examples of contact force
![Page 25: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/25.jpg)
Q24• What is the Si unit of force?
![Page 26: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/26.jpg)
Q25• A 6 kg object undergoes an acceleration of 2 .• A) what is the magnitude of the net force acting
on the object?
![Page 27: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/27.jpg)
Q26• A worker pushes a crate with a horizontal force of
345N a distance of 24m. Assume the coefficient of kinetic friction between the crate and the floor is 0.220.
• A) How much work is done by the worker on the crate?
• B)How much work is done by the floor on the crate?
• C) what is the net work?
![Page 28: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/28.jpg)
Q27• A 0.075 kg ball in a kinetic sculpture moves at a
constant speed along a motorized vertical conveyor belt. The ball rises 1.32 m above the ground.
• A constant frictional force of 0.350 N acts in the direction opposite the conveyor’s belt. What is the net work done on the ball?
![Page 29: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/29.jpg)
Q28• A pinball bangs against a bumper , given the ball
a speed of 42 cm/s. If the ball has a mass of 50 g .What is the ball’s kinetic energy in joules?
![Page 30: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/30.jpg)
Q29• A 50 kg student climbs up a 5 m rope at a
constant speed . The student has a power output of 20 w. How long does it take the student to climb the rope? How much work does the student does?
![Page 31: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/31.jpg)
Q30• A motor-driven winch pulls the 50 kg student from
the previous problem up the 5 m rope at a constant speed of 1.25 m/s. How much power does the motor use in raising the student?
![Page 32: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/32.jpg)
Q31• What is work ?
![Page 33: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/33.jpg)
Q32• What is kinetic energy?
![Page 34: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/34.jpg)
Q33• A 0.42 kg soccer ball is moving downfield with a
velocity of 12 m/s . A player kicks the ball so that it has a final velocity of 18 m/s downfield.
• A. What is the change in the ball’s momentum?
![Page 35: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/35.jpg)
Q34• High speed photographs show the head of a 215 g
golf club traveling at 55 m/s just before it strikes a 46 g golf ball at rest on a tee. After the collision, the club travels at 42 m/s. Find the speed of the golf ball just after impact.
![Page 36: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/36.jpg)
Q35 • Give two examples of elastic collisions
![Page 37: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/37.jpg)
Q36 • Give two examples of perfectly inelastic collisions
![Page 38: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/38.jpg)
Q37• A 95 kg. fullback moving south with a speed of 5
m /s has a perfectly inelastic collision with a 90 kg opponent running north at 3 m/s.
• A. Calculate the velocity of the players just after tackle.
![Page 39: Physics jeopardy](https://reader033.fdocuments.us/reader033/viewer/2022061608/56815ee7550346895dcd931f/html5/thumbnails/39.jpg)
Q38• Two 0.40 kg soccer balls collide elastically in a
head-on collision. The first ball starts at rest, and the second ball has a speed of 3.5 m/s. After the collision the second ball is at rest.
• A. What is the final speed of the first ball• B. What is the kinetic energy of the first ball
before the collision?