If you step off a high board and drop to the water below, youplunge into the water without injury. On the other hand, if youwere to drop the same distance onto solid ground, you mightbreak a leg. Use Newton’s laws to explain the difference.

Q: Dancers experience large forces associatedwith the jumps they make. For example, when a dancer…

A: The acceleration (deceleration) is a=v-uta=0 m/s--4.0 m/s0.20 sa=20 m/s2   the net force is,…

Q: read if. Part b) has the elevator accelerating up at 1.5 m/s?, while part c) has it accelerating…

A: Weight of the passenger when the elevator is at rest 572 kg. Case 1: Elevator is moving up at…

Q: #6

A: 6. The expression for the required force is,

Q: An 82 kg man drops from rest on a diving board 3.0 m above the surface of the water and comes to…

A: mass of man (m) = 82 kg initial speed of man (u) = 0 m/s Height of diving board above the surface of…

Q: When jumping straight upfrom a crouched position, an average person can reach a maximum heightof…

A: Given: The maximum height of the jumper to reach is hmax=60 cm. The height reached by the jumper is…

Q: Normal, friction and drag are sometimes called "contact" forces because objects (fluids like air…

A: In this question we have to give examples of no-contact forces. Please give positive feedback if the…

Q: force exerted by the kneecap on the upper leg bone (the femur). XN X (counter-clockwise from an axis…

A:

Q: Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 5.00 x 10¯5 kg…

A: Free body diagram

Q: A 850-kg car slows to rest from a speed of 82.5 km/h in a distance of 105 m. Consider that the car…

A: Given: The mass of the car is 850 kg The initial speed is 82.5 km/h=22.92 m/s The distance covered…

Q: two shuffleboard disks of equal mass, one orange, and the other green are involved in an elastic…

A:

Q: A bowling ball of mass m=2.6 kg drops from a height h = 12 m. A semi-circular tube of radius r = 5.4…

A: In this question we are given that a bowling ball of mass m=2.6 kg drops from a height h = 12 m. A…

Q: When venturing forth on Planet X, you throw a 5.60 kg rock upward at 14.2 m/s and find that it…

A: Given Mass of the rock = 5.60 Kg Initial velocity     = 14.2 m/s Time taken to return to same level…

Q: A young girl slides down a rope. As she slides faster and fastershe tightens her grip, increasing…

A: Newton's second law states that the net force acting on a body is equal to the product of mass (m)…