Transcript PHYJeopardy
FF II Module A Jeopardy Jeopardy Rotation Work and Energy Momentum Linear Motion Projectile Motion 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50 Round 2 Rotation – 10 points • It is the unit of angular acceleration • What is radians per seconds squared? Next Question Rotation – 20 points • In linear motion, we are concerned with mass. In rotational motion, we are concerned with this. • What is rotational inertia? Next Question Rotation – 30 points • This is the term for the reason a spinning ice skater spins faster when she draws in her arms. • What is conservation of angular momentum? Next Question Rotation– 40 points • A diver completes 3 somersaults in 1.5 s. This is her angular velocity. (Include units) • What is 2 rev/s Next Question Rotation– 50 points • It is the torque produced by a force of 50 N that is applied to a rigid body at a distance of 0.5m from the center of rotation. (Include units) • What is 25 Nm? Next Question Work and Energy – 10 points • It is the energy of motion • What is kinetic energy? Next Question Work and Energy– 20 points • It is the SI unit for work. • What is Joules? Next Question Work and Energy– 30 points • It is the amount of work that is done when you exert a force of 15N on a wall for 30 sec. (Include units) • What is zero Joules? Next Question Work and Energy– 40 points • It is the kinetic energy of a person who weighs 700 N and is traveling at 2m/s. (Include units) • What is 140 J? Next Question Work and Energy– 50 points • It is the speed at the bottom of a roller coaster if it is at rest at the top of a 20m tall hill. (Include units) • What is 20m/s? Next Question Momentum – 10 points • It is the formula for calculating linear momentum • What is p=mv? Next Question Momentum– 20 points • It is the definition of the law of conservation of momentum. • What is in any closed system, the total momentum before the collision is equal to the total momentum after the collision (or a paraphrase of this)? Next Question Momentum– 30 points • It is the momentum of a 60kg boy swimming at 0.5m/s. (Include units) • What is 30 kg.m/s? Next Question Momentum– 40 points • It is the final speed of a 2kg ball that is initially at rest when a 1kg ball traveling at 3m/s struck it and stopped upon impact. (Include units) • What is 1.5m/s? Next Question Momentum– 50 points • It is the final speed of a 2kg fish who is moving at 1m/s and swallows a 0.5kg fish at rest. (Include the units) • What is 0.8m/s? Next Question Linear Motion – 10 points • It is Newton’s second law • What is F=ma? Next Question Linear Motion– 20 points • It is the final velocity if an object starting at rest has an acceleration of 3 m/s2 for 6 seconds. (Include units) • What is 18 m/s? Next Question Linear Motion– 30 points • It is the upward force that the ground is exerting on an object in order to balance the effects of gravity. • What is the normal force? Next Question Linear Motion– 40 points • It is the force required to make a 5kg object change from 4m/s, North to 2m/s, South in 3s. (Include units and direction) • What is 10 N, South? Next Question Linear Motion– 50 points • It is the frictional force when an 8 kg object is pushed with a 20 N force and achieves an acceleration of 2m/s2. (Include units) • What is 4 N? Next Question Projectile Motion – 10 points • It is the shape of the path of a projectile • What is a parabola? Projectile Motion – 20 points • It is the degree angle that should result in the longest horizontal distance • What is 45? Next Question Projectile Motion– 30 points • It is the height an object goes when it has a total air time of 8s. (Include units) • What is 80 m? (or 39.2 m) Next Question Projectile Motion– 40 points • It is the y-component of the vector 50m/s at a 30 degree angle of inclination. • 25m/s Next Question Projectile Motion– 50 points • It is the horizontal distance that a projectile will travel if fired at 20m/s and an angle of 45 degrees. • What is 39.8 m? Next Question Final Jeopardy Double Jeopardy Extinguishers SCBA Ladders Hose More Hose 20 20 20 20 20 40 40 40 40 40 60 60 60 60 60 80 80 80 80 80 100 100 100 100 100 Extinguishers – 20 points • What set of letters is used to help people remember how to use an extinguisher, and what does each letter mean? • P- pull, A- Aim, S- Squeeze, S- Sweep Next Question Extinguishers – 40 points • What are the shapes and colors for ABC and D fire extinguishers • A- Green Triangle, B – Red Box, C – Blue Circle, D – Yellow star Next Question Extinguishers– 60 points • What type of extinguisher might you use on computer equipment • Halon or CO2 Next Question Extinguishers– 80 points • When using an extinguisher, where should the stream be directed • At the base of the flames Next Question Extinguishers– 100 points • What is the difference between dry chemical extinguishers and dry power extinguishers • Dry chemical ABC or BC, Dry Power D only Next Question SCBA – 20 points • Open Circuit and Closed Circuit are the two different types of SCBA’s. What is the major difference, and which is used more if fire service? • Differences – Closed – compressed or liquid oxygen (also rebreather) – Open – compressed air – Open is used more often Next Question SCBA – 40 points • What is the benefit of a positive pressure SCBA? • Positive pressure prevents contaminants from entering facepieces if a leak develops Next Question SCBA – 60 points • List three ways to prevent/correct internal fogging of your SCBA mask • Nosecup, anti-fog chemical, briefly turn on the bypass valve Next Question SCBA – 80 points • Your low pressure bell begins to ring, how much air do you have left in your tank? • 500 psi Next Question SCBA – 100 points • The cylinder gauge and regulator gauge should be within how many psi of each other • 100psi Next Question Ladders – 20 points • How many rungs of a ladder should extend beyond the edge of the roof? • 5 Next Question Ladder – 40 points • When lifting a ladder from the ground, which fire fighter gives the command to lift? • Firefighter at the rear (butt, heel) of the ladder is in control Next Question Ladder – 60 points • The optimum angle for ladder placement is • 75 ½ degrees Next Question Ladder – 80 points • 20 feet of a 25 foot ladder is used to reach a window. How far away from the building should the ladder be placed? • 5 feet (length used / 4) Next Question Ladder – 100 points • Where should the fly section of a ladder be placed? • For all ladders except wooden… the fly goes away from the building. Next Question Hose – 20 points • List 3 of the 4 types of hose dammage and provide an example of each type • Types are – – – – Mechanical Thermal Organic Chemical Next Question Hose – 40 points • To prevent cars from running over fire hose, you should use • Hose bridges Next Question Hose – 60 points • Your fire hose has been exposed to a 10% solution of nitric acid. What is the best way to clean the hose? • Scrub brush with a solution of sodium bicarbonate (baking soda) and water Next Question Hose – 80 points • What type of hose must be thoroughly dried before reloading on the apparatus? • Woven jacket Next Question Hose – 100 points • In the fire service, the 2 most commonly used hose couplings are…. • Threaded and Storz Next Question More Hose – 20 points • True of False…The rubber liner of a lined woven jacket hose should be completely dry before reloading onto the apparatus. Why? • False. The liner should remain moist to prevent it from drying out and cracking. Next Question More Hose – 40 points • The part of the coupling that attaches to the host is called the…. • Shank Next Question More Hose – 60 points • What is the purpose of the higbee cut and how can you locate it easily? • Higbee cut prevents cross threading, and can be located by looking for the higbee indicator on the lugs. Next Question More Hose – 80 points • What is the difference between a Wye and a Siamese? • Wye – 1( F ) into 2 ( M ), Siamese 2 (M ) into 1 ( F ) Next Question More Hose – 100 points • What is the difference between a hose appliance and a hose tool? • Hose tools don’t have water flowing through them Next Question Final Jeopardy Physicists Write down the amount you wish to wager on this question Final Jeopardy • This physicist developed the planetary laws of motion • Who is Johann Kepler?