A wildlife keeper is trying to catch an escaping rabbit. Who has the greater kinetic energy, the rabbit or the wildlife keeper?(1 point)ResponsesThe wildlife keeper because they speed up and catch the rabbit.The wildlife keeper because they speed up and catch the rabbit.The wildlife keeper because they have a greater mass.The wildlife keeper because they have a greater mass.The rabbit because it has less mass.The rabbit because it has less mass.Neither one because they are moving at the same speed.
3 answers
The rabbit because it has less mass.
A skydiver jumps out of a plane and begins to accelerate. His speed increases to 20 m/s, then 30 m/s. His acceleration slows until he reaches a constant speed of 50 m/s. Which statement accurately describes his kinetic energy while falling?(1 point)ResponsesHis kinetic energy increased quickly at first, then it increased at a constant rate.His kinetic energy increased quickly at first, then it increased at a constant rate.His kinetic energy was positive at first, but it decreased to zero when he stopped accelerating.His kinetic energy was positive at first, but it decreased to zero when he stopped accelerating.His kinetic energy would remain the same for the whole fall as long as he lost no mass.His kinetic energy would remain the same for the whole fall as long as he lost no mass.His kinetic energy increased while his speed increases, then it became constant.
His kinetic energy increased while his speed increases, then it became constant.
11 answers