Physics 6B: Kinetic and Potential Energy
Quiz by Sherry Felux-Bell
High School
Physics (2017)
Texas Essential Knowledge and Skills (TEKS)
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9 questions
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- Q1Which of the following is the best example of kinetic energy being transformed into potential energy?A ball rolling up a hillCoasting down a hill on a bicycleStarting an automobile engineBending a paper clip120s112.39.c.6.b
- Q2Which of the following does not contribute to the potential energy of an object?Gravitational constant, or g, of the EarthHeight of the object above the Earth's surfaceMass of the objectVelocity of the object120s112.39.c.6.b
- Q3Which of the following situations is an example of kinetic energy being transformed into potential energy?Holding a ball in the air without moving itThrowing a ball high into the airDropping a ball from a ladderRolling a ball on the ground120s112.39.c.6.b
- Q4Two positively charged particles are brought to a rest near each other in empty space. The two charges will repel from each other when released from rest. What form of potential energy must the charges have had before being released?Kinetic energyGravitational potential energyElastic potential energyElectric potential energy120s112.39.c.6.b
- Q5Engineers are considering using magnesium as a potential replacement for the lithium inside of rechargeable batteries. Magnesium would be a safer, more energy-dense option than lithium. What type of energy are these engineers investigating?Potential energy due to the chemical reaction in the batterySolar energy due to the movement of photons in the batteryThermal energy due to the heat dissipated in the batteryKinetic energy due to the movement of protons in the battery120s112.39.c.6.b
- Q6If a powerlifter raises a 1,000 N weight a distance of 2.0 meters in 0.5 seconds, what is his power output?5,000 W1,000 W2,000 W4,000 W120s112.39.c.6.b
- Q7Three runners, each 70 kg, leave the starting line at the bottom of a hill and race to the top of the hill. All runners take different paths as shown below. Which runner had the greatest power during the race according to the data above?Runner BRunner ARunner CAll runners are equally powerful.120s112.39.c.6.b
- Q8The US Patent and Trademark Office is responsible for protecting the intellectual property of inventors. A patent is granted if the idea is original and scientifically valid. A student creates a device that they claim will change the world by changing the way we understand energy. The student includes a table of energy measurements as part of his application. Which of the following would be an appropriate course of action for the US Patent and Trademark Office given the data above?Deny the patent – The machine violates the law of conservation of energy.Grant the patent – The mechanical energy is consistent in the machine.Grant the patent – The machine generates a new source of energy.Deny the patent – The machine fails to account for friction.120s112.39.c.6.b
- Q9A tennis ball launcher works by using a spring to propel the ball forward as shown below: One model of tennis ball launcher has advertised that it is capable of imparting 15,000 J of kinetic energy to a 0.5 kg ball initially at rest. A student carefully measures the compression of the spring to be 0.10 m. Refer to the information and image above. What is the elastic energy stored in the spring?30,000 J15,000 J7,500 J0 J120s112.39.c.6.b
