AP Physics C: Mechanics Linear Momentum and Collisions — practice questions
50 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice AP Physics C: Mechanics Linear Momentum and Collisions in the app →How does the source define linear momentum?What is the SI unit for momentum, according to the source?Momentum is described as a vector quantity. In which direction does the momentum vector point?How does the source state Newton's second law of motion in terms of momentum?A 110 kg football player runs at 8.00 m/s. What is the magnitude of his momentum?A hard-thrown football has a mass of 0.410 kg and a speed of 25.0 m/s, while the 110 kg player throwing it runThe source rearranges Newton's second law in terms of momentum to define impulse. How is impulse expressed?Dashboard padding and airbags are both designed around the concept of impulse. How do they reduce the force exVenus Williams' tennis racquet gives a 0.057 kg ball a speed of 58 m/s starting from rest, and the racquet staTwo identical billiard balls hit a rigid wall at the same speed and bounce back with no change in speed. The fA 0.0300 kg bullet is accelerated from rest to 600 m/s in 2.00 ms inside a gun barrel. What is the average forA 70 kg car passenger is brought to a halt by a seat belt in 0.26 s during a crash from an initial speed of 10A 110 kg rugby player running at 8.00 m/s collides head on with a padded goalpost, which exerts a backward forThe source calls a system isolated when a specific condition holds. What is that condition?When one car bumps into another from behind and both continue moving, the source uses Newton's third law to shDuring ordinary projectile motion with negligible air resistance, why is momentum conserved in the horizontal In experiments where high-energy electrons occasionally scattered straight backward off protons, what did thatHow does a jellyfish move itself through water, according to the source's discussion of momentum conservation?What was the ballistocardiograph, as described by the source?Two loaded train cars move toward each other and couple together on impact. The first has a mass of 150,000 kgA 0.200 kg clay model slides on ice at 0.750 m/s and collides with a stationary 0.350 kg clay model, and the tWhat makes a collision between two objects an elastic collision, according to the source?The source defines internal kinetic energy for a system of colliding objects. What is it?Truly elastic collisions can only be achieved at one particular scale. Which scale is that?A 0.500 kg object moving at 4.00 m/s collides elastically with a stationary 3.50 kg object. Solving the momentTwo identical objects have a one-dimensional collision in which one is initially motionless. After the collisiTwo piloted satellites approach each other head on at a relative speed of 0.250 m/s but collide elastically inWhat does the source say defines an inelastic collision?The source calls a collision perfectly inelastic under one specific condition. What reduces internal kinetic eA 70.0 kg ice hockey goalie at rest catches a 0.150 kg puck moving at 35.0 m/s, and they move off together. WhIn that same goalie and puck collision, how much kinetic energy is lost from the puck's original 91.9 J of kinTwo carts collide on a frictionless air track. Cart 1, with mass 0.350 kg and a compressed spring, moves at 2.In that same spring-loaded cart collision, the internal kinetic energy before impact is 0.763 J and after impaA 0.240 kg billiard ball moving at 3.00 m/s strikes a bumper and bounces straight back at 2.40 m/s, which is 8A 6.00 times ten to the seventh kg battleship, initially at rest, fires a 1100 kg shell horizontally at 575 m/Two football players collide head on in midair while trying to catch a ball, and they cling together afterwardTo simplify the analysis of two-dimensional collisions, the source restricts attention to point masses. What iWhen analyzing a two-dimensional collision where one particle starts at rest, what coordinate system choice doIn Example 8.7, a 0.250 kg object moving at 2.00 m/s strikes a stationary 0.400 kg object and emerges at 45.0 For an elastic collision between two equal masses where one starts at rest, if neither the trivial head-on stoThe source credits a well known physicist with discovering the nature of the atomic nucleus using two-dimensioWhat single physical principle does the source say explains rockets, jet engines, deflating balloons, and evenIt is a common misconception that a rocket's exhaust pushes against the ground or the surrounding air to move According to the source, what is the practical limit on exhaust velocity for conventional, non-nuclear hot-gasA Saturn V rocket has a liftoff mass of 2.80 times ten to the sixth kg, a fuel burn rate of 1.40 times ten to Using the acceleration and mass of the Saturn V rocket at liftoff, what does the source say its engines' thrusTo escape Earth's gravity from rest, ignoring air resistance and gravity's effect during the burn, a rocket neA single-stage rocket needing to overcome both air resistance and gravity during launch faces an even harder mWhy does the source say multistage rockets are used instead of trying to build a single-stage rocket where fueWhich parts of the space shuttle does the source describe as reusable across multiple flights?