Physics

A) 54 J B) 162 J C) 216 J D) 108 J Answer: D Explanation: Use kinetic energy = ½mv² […]

A) 98 J B) 294 J C) 196 J D) 392 J Answer: C Explanation: Use kinetic energy = ½mv² […]

A) Kinetic energy becomes nuclear fuel B) All energy disappears C) Light converts to chemical food D) Gravitational potential energy […]

A) Output work divided by input work only B) Time divided by mass C) Force multiplied by temperature D) Output […]

A) Thermal dissipation B) Positive work C) Conservative force D) Efficiency Answer: A Explanation: Thermal dissipation refers to conversion of […]

A) Energy conservation B) Joule C) Mechanical advantage D) Gravitational potential energy Answer: A Explanation: Energy conservation refers to the […]

A) Hooke's law B) Potential energy reference C) Kinetic energy D) Nonconservative force Answer: A Explanation: Hooke's law refers to […]

A) Mechanical energy B) Power C) Energy transfer D) Mechanical work Answer: A Explanation: Mechanical energy refers to the sum […]

A) Negative work B) Conservative force C) Spring constant D) Thermal dissipation Answer: A Explanation: Negative work refers to work […]

A) Violet toward red B) Red toward violet C) Green toward infrared D) Blue toward radio Answer: B Explanation: Red […]