5. Please explain the answer. While on a playground, you and your niece take turns sliding down a frictionless slide. Your mass is 75 kg while yourniece's mass is 25 kg. Assume that both of you begin sliding from rest from the same height. Which of the followingstatements best describes who has a larger speed at the bottom?O You because you take less time to slide down.Your niece because she is not pressing down against the slide as strongly so her motion is closer to free fall.O Both of you have the same speed at the bottom since you slide from the same height without friction.O Your niece because lighter objects are easier to accelerate.O You because your greater weight causes a greater downward acceleration.

Given data: The mass is m1=75 kg. The niece's mass is m2=25 kg. Since both slides are frictionless, which means there will be no energy loss due to friction. So according to the conservation of energy principle, KEi+PEi=KEf+PEf ............. 1 Since both start from rest. Therefore, the initial kinetic energy for both will be zero. That is KEi=0. Since the ground is the reference point for both (hf=0). Thus, the final potential energy for both will be zero. That is PEf=0. The initial potential energy will be: PEi=m1+m2gh The final kinetic energy will be: KEf=12m1+m2vf2 Substitute the values in the equation (1) as: 0+m1+m2gh=12m1+m2vf2vf=2gh Since final speed does not depend on a person's mass, speed will be equal for both, even if both have a different mass. Therefore, the correct statement number 3 is correct.

Science

Advanced Physics

While on a playground, you and your niece take turns sliding down a frictionless slide. Your mass is 75 kg while your niece's mass is 25 kg. Assume that both of you begin sliding from rest from the same height. Which of the following statements best describes who has a larger speed at the bottom? O You because you take less time to slide down. O Your niece because she is not pressing down against the slide as strongly so her motion is closer to free fall. O Both of you have the same speed at the bottom since you slide from the same height without friction. O Your niece because lighter objects are easier to accelerate. O You because your greater weight causes a greater downward acceleration.

While on a playground, you and your niece take turns sliding down a frictionless slide. Your mass is 75 kg while your niece's mass is 25 kg. Assume that both of you begin sliding from rest from the same height. Which of the following statements best describes who has a larger speed at the bottom? O You because you take less time to slide down. O Your niece because she is not pressing down against the slide as strongly so her motion is closer to free fall. O Both of you have the same speed at the bottom since you slide from the same height without friction. O Your niece because lighter objects are easier to accelerate. O You because your greater weight causes a greater downward acceleration.