Jane weighs 150 lbs and bob weighs 220 , they try skydiving , if they jump at the same time , who reach the ground first /
To determine who will reach the ground first when Jane and Bob go skydiving, we need to consider two key factors: weight and air resistance.
1. Weight: The gravitational force acting on an object is directly proportional to its mass. In this case, Bob weighs 220 lbs, while Jane weighs 150 lbs. Assuming similar body positions and no additional factors, Bob's greater weight will exert a stronger gravitational force on him, leading to a potentially faster descent.
2. Air resistance: As an object falls through the atmosphere, it encounters air resistance that opposes its motion. This resistance depends on several factors, including the object's surface area, shape, and velocity. Generally, larger surface areas create more air resistance.
Considering the above factors, we can make an educated guess that Bob will reach the ground first. However, it's important to note that the difference in weight between Jane and Bob might not be substantial enough to outweigh the effects of air resistance.
To obtain a more precise, physics-based answer, we would need additional information like the body positions, the altitude from which they are jumping, the gear they are using, and consideration of their specific aerodynamic properties.