52.0-kg person jumps from rest off a 4.20-m-high tower straight down into the water. Neglect air resistance during the descent. She comes to rest 1.20 m under the surface of the water. Determine the magnitude of the average force that the water exerts on the diver. This force is non-conservative.

Q: A 2.0-N rock slides on a frictionless inclined plane. Which one of the following statements is true…

A: we know frictional force f =μN  where μ= coefficient of friction  N = weight of block given μ=0.30 f…

Q: A car is travelling at a constant +15m/s prior to colliding with a wall for 0.25s. After the…

A:

Q: A 4.0-kg object is moving with speed 2.0 m/s. A 1.0-kg object is moving with speed 4.0 m/s. Both…

A: Given : For object 1 m1=4 kg v1=2 m/s For object 2 m2=1 kg v2=4 m/s Both objects encounter the same…

Q: The fastest pitched baseball was measured at 46 m/s. Typically, a baseball has a mass of 145g. If…

A:

Q: In a gym, a barbell is dropped onto a mat. Just before impact, its velocity is 1.5 m/s downward.…

A:

Q: PROBLEM The driver of a 1.00x10*3 kg car traveling on the interstate at 35.0 m/s (nearly 80.0 mph)…

A: Mass of car (m) = 1000 kg Initial speed of car (u) = 35msfinal speed of car (v) = 0 mskinetic…

Q: ticle above its point of projec

A:

Q: A 10.0-kg object is initially moving with a velocity of 20.0 m/s to the north and is acted on by a…

A: mass, m = 10 kg  initial velocity, u = 20 m/s  final  velocity, v = 12 m/s  distance, d = 30 m

Q: A 56-kg student runs at 6.0 m/s, grabs a hanging 10.0-m-long rope, and swings out over a lake (Fig.…

A: Given mass of the student m=56 kgInitial speed of the student u=6.0 ms

Q: A freight train consists of two 8.00 × 105 -kg engines and 45 cars with average masses of 5.50 × 105…

A: It is given that,

Q: PROBLEM The driver of a1.00x10*3)kg car traveling on the interstate at 65.0 m/s (nearly 80.0 mph)…

A:

Q: Sally throws a puck of mass m = 0.20 kg with an initial velocity i = 5.00i m/s along a horizontal…

A:

Q: 3. A 6.0-kg initially at rest is pulled to the right along a frictionless, horizontal surface by a…

A:

Q: During an Olympic 100-m sprint race, Usain Bolt, the world record holder in that race, quickly…

A: Given: Mass,m=94kgAcceleration due to gravity,g=9.8m/s2Contact Force,FC=2.8×103N a) The expression…

Q: 1. A cart of mass 4.2 kg is moving at a velocity of 2.7 m/s but then the force shown in the graph…

A: Given: Mass, m = 4.2 kg Initial velocity , u = 2.7 m/s

Q: Skydiving tunnels have become popular attractions, appealing in part to those who would like a taste…

A: The mass of Natalya is m = 46.8 kg. The air resistance experienced by Natalya in the upward…

Q: A 400-N body starts up the incline of 30o with the horizontal (fk = 0.2) with a velocity of 3m/s.…

A:

Q: A 10.0 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by…

A: we know that acceleration, a=F/m and v^2=2as  [initially at rest]

Q: A 6.0-kg block initially at rest is pulled to the right along a horizontal surface by a constant…

A: A. The magnitude of frictional force is

Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 13 N. The cart has a mass…

A: Given data: Horizontal force (F) = 13 N Mass of cart (m) = 27 kg Initial velocity (v0) = 0 m/s Time…

Q: You push a 2.0 kg block against a horizontal spring, compressing the spring by 15 cm. Then you…

A:

Q: A baseball approaches home plate at a speed of 40.0 m/s, moving horizontally just before being hit…

A: From Newton’s second law of motion.

Q: John is building a frictionless track with a block (? = 20.0kg) sliding on it (no flying up). The…

A:

Q: Mr. M is riding on his bike while pulling his daughter in a trailer behind him. Their combined mass…

A: Given: Combined mass , M = 125 kg Velocity, v = 44 km/h = 12.222 m/s

Q: In a gym, a barbell is dropped onto a mat. Just before impact, its velocity is 1.5 m/s downward.…

A:

Q: rifle bullet, traveling at 426 m/s strikes a large tree, which it penetrates to a depth of 0.130 m.…

A: Given m = 1.8 g = 1.8 × 10-3 kg Initial velocity u = 426 m/s Final velocity v = 0

Q: 75. Review Conceptual Example 16 as background for this problem. The water skier there has a mass of…

A: Given data: Mass of the water skier, m=73 kg

Q: At the end of a run Sam (116kg) crashes into a 85kg blood-rider who was running in the wrong…

A: m1 (mass of sam) = 116 kg U1 (Initial speed of sam) = 4.2 m/s m2 (mass of blood rider) = 85 kg U2…

Q: pirpinin) A 10 kilogram object suspended from the end of a vertically hanging spring stretches the…

A: Given: The mass of the object is 10 kg. The stretch in the spring is 9.8 cm. The force is given by…

Q: NIM.8 A 1500-kg car traveling at a steady speed of 20 m/s (about 44 mi/h) initially due northwest…

A: Given values:Mass of the car, M = 1500 kgInitial speed of the car, u = 20 m/s      (northwest)Final…

Q: A cricket ball of mass 155 g is hit at a speed of 164 km/h straight at a nearby fielder, who catches…

A:

Q: A 78.0 kg person falls straight down from a 1.60 m height (measured from his feet) and lands with…

A: Given: Height of the person, h=1.60 m mass of the person, m=75 Kg Time taken in the part (a) t1=0.75…

Q: During an Olympic 100-m sprint race, Usain Bolt, the world record holder in that race, quickly…

A:

Q: A freight train consists of two 8.00×105-kg engines and 45 cars with average masses of 5.50×105kg.…

A: given -

Q: A 400-N weight starts down the incline of 30o with the horizontal with an initial velocity of 4m/s.…

A:

Q: 1. A 70 kg Bungee jumper jumps from a 200 m tall tower from rest. Unstretched, the bungee cord is 50…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A 3.00-kg object is moving in a plane, with its x and y coordinates given by x = 5t^2 -1 and y =…

A:

Q: Whether or not an object (such as a plate, glass, or bone) breaks upon impact depends on the average…

A: Consider the initial speed of the glass figure be u0, that is zero because it falls from rest, its…

Q: A man ( mass = 100 kg) fall freely from rest and strikes the ground. During the collision with the…

A: mass=100 Kg time=0.2s Force exerted=2000N

Q: Q4. An 80 kg stuntman jumps out of a window that is 45 m above the ground. (a) How fast is he…

A:

Q: A 3500 g fireworks shell is ffired straight up from a mortar and reaches a height of 210.0 m. (a)…

A: Given that, The mass of fireworks, m = 3500 g = 3.5 kg It reaches the height of 210 m (a) Let v is…

Q: 1. The 136 kg block in the figure given rests upon a level plane for which the coefficient of…

A:

Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 8 N. The cart has a mass…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: