#### Transcript Momentum and Impulse - $200

Motion/Newtons Physics Review $100 $200 $300 $400 $100 $200 $300 $400 $100 $200 $300 $400 $100 $200 $300 $400 $100 $200 $300 $400 $500 $500 $500 $500 $500 Physics Conservation of Mass Parts of an Atom Periodic Table Earth Science Physics Science Processes Chemistry $100 $200 $300 $400 $100 $200 $300 $400 $100 $200 $300 $400 Periodic Earth Science Table $100 $200 $300 $400 $100 $200 $300 $400 $500 $500 $500 $500 $500 Luis is being CATEGORY 1 - $100 pushed by two students. Yulissa is pushing him to the left with a force of 6 newtons. Karina is pushing him to the right with a force of 8 Newtons. Which of the following best describes Luis’s motion. a To the left with a force of 2 N. b To the right with the force of 2N. c He will not move d To the right with a force of 14N. CATEGORY 1 - $200 The force that tries to stop all motion. CATEGORY 1 - $300 As a cart travels around a horizontal circular track, the cart MUST undergo a change in a: velocity b: speed c: inertia d: weight CATEGORY 1 - $400 What is the distance covered between the nd th 2 and 6 second? a 8m b 2m c 6 m d 4m CATEGORY 1 - $500 For every action, there is an equal and opposite reaction. CATEGORY 2 - $100 How many atoms are in this formula H2O? CATEGORY 2 - $200 This is an balanced equation 2H2O 2H2 +O2 Explain why. Acceleration - $300 How many elements can be found in NaCl? Acceleration - $400 Give at least five indicators that a chemical change has taken place. Acceleration - $500 What coefficient could you put in front of the product’s side to balance this equation? 2C + O2 CO Vectors - $100 What is a subatomic particle that has mass and a positive charge? Vectors - $200 Which subatomic particle has mass and no charge? Vectors - $300 What is the charge of the nucleus of an atom? Vectors - $400 How many elements are in this Compound? H2O Vectors - $500 The electrons are located in this part of the atom? Momentum and Impulse - $100 Which element has 16 protons in its nucleus? Momentum and Impulse - $200 What are vertical columns on the Period Table called? Momentum and Impulse - $300 Which element does nitrogen share the most characteristic with? Oxygen Calcium Phosphorous Argon Momentum and Impulse - $400 Name an element with only one valence electron that is highly reactive with other elements? Momentum and Impulse - $500 This type of electron is found on the outermost shell and determines the chemical reactivity of an atom. Gravitational and Newton’s 3rd - $100 Which law explains why a rocket launches into space? Newton’s 3rd and Friction - $200 A force that will work against motion in every situation is Newton 3rd and Friction - $300 A tendency of an object to resist change in motion is Newton’s 3rd and Friction - $400 Which law explains why a cake resting on the front seat of a car falls when the car stops suddenly. Newton’s 3rd and Friction - $500 Which law explains why it is easier to kick a soccer ball than a bowling ball. Velocity and Speed - $100 b 2.0 m/s V= d/t =10m / 5s = 2.0 m/s Velocity and Speed - $200 d 0.43s v=d/t 42 m/s = 18 m / t t =18 m / 42 m/s t = 0.43 s Velocity and Speed - $300 a: Velocity Velocity has direction in its measurement, circle motion must have a constant change in direction $ Velocity and Speed - $400 d: 4m 6m-2m = 4m Velocity and Speed - $500 a : 0.2 h v=d/t 600 km /h = 120 km / t t = 120 km / 600 km / h t=.2h Acceleration - $100 b: increases The velocity increases at 9.81 m/s every second! Acceleration - $200 b: 7.0 s a=v/t 2 4.0 m/s = 28 m/s – 0 m/s / t t = 28 m/s / 4.0 m/s2 Acceleration - $300 d: remains the same All objects fall at a constant acceleration of 9.81 m/s2 unless friction is present Acceleration - $400 b: 20 m/s Vf2 = Vi2 + 2ad = ( 8m/s )2 + 2 ( 3m/s2 ) ( 56m) = 400 m2/s2 Vf = 20 m/s $ Acceleration - $500 b: 10 s Vf = Vi+ at 98 m/s = 0 m/s + 9.8 m/s2 t 98 m/s = t 9.8 m/s2 10 s =t Vectors - $100 d: mass Mass has no direction! Vectors - $200 c: 180 0 The minimum vector addition direction results from opposite direction Vectors - $300 c: 80 N Adding 80N + 40N =120N Subtracting 80N- 40N = 40N Range 40N-120N contains 100N Vectors - $400 a: .5 W Ax = A sin q =W sin (300) = .5 W Vectors - $500 c : 19.8 N Ax = A cos q = 28 N cos (450) = 28 N (.707) = 19.8 N Momentum and Impuse - $100 d: 300 kg-m/s P=mv = 30 kg ( 10 m/s ) Momentum and Impulse - $200 a: 4.5 x 104 kg-m/s, east p= mv = 1.5 x 103 kg ( 30 m/s ), east = 45 x 103 kg-m/s, east = 4.5 x 104 kg-m/s, east Momentum and Impulse - $300 C: 70 kg-m/s J=F(t) = mDv =Dp 30 N*s =p1- (40 kg-m/s) 70 kg-m/s =p1 Momentum and Impulse - $400 d: 0 kg-m/s Conservation of momentum P (total) = P1+P2 = 0 m1v1+m2v2 = 0 4kg*3m/s +6kg*-2m/s = 0 0 kg-m/s Momentum and Impulse- $500 c: -20 N*s For every action there is an equal and opposite reaction Gravitational and Newton’s 3rd - $100 c: 100 N For every action there is an equal and opposite reaction, Newton’s 3rd Law Newton’s 3rd and Friction - $200 d: 9.8 N F = ma 2 = (1kg) 9.8 m/s Newton’s 3rd and Friction - $300 a: 10 N Friction is the force opposite the motion of the object. Constant speed means that the system is in equilibrium. Newton’s 3rd and Friction - $400 b: 6N Friction is the force opposite the motion of the object. Constant speed means that the system is in equilibrium. Newton’s 3rd and Friction - $500 b: 2 2 m/s F = ma 6N = 3kg ( a) 2 m/s2 = a FINAL CATEGORY: Momentum Place you Bet now FINAL CATEGORY If a Baseball bat is reduced in mass by drilling out the center, List 3 momentum factors that are changed by swinging this new bat. Be specific on details. FINAL CATEGORY 1. Mass of the bat 2. Final velocity of the bat 3. Time of contact between the bat and ball $ END OF GAME Daily Doubles and usage notes follow... $ $ $