A 78 kg bungee jumper is initially standing at rest on a bridge. After falling a distance 15 m, then how fast is the person moving? Assume that the force of the bungee cord acting on the person can be modeled as F = 354.6s + -5.2s3, where s is how far the person has fallen.

Q: E. 25 m Q.14: A 2-kg particle moving horizontally with a speed of 5 m/s strikes ( ) a vertical wall…

A: Initial velocity (u) = 5 msFinal velocity (v) = -5 mstime of contact (t) = 2 ms mass (m) = 2 kg

Q: 5.5 A constant retarding force of 50 N is applied to a body of mass 20 kg moving initially with a…

A:

Q: A 829 g rubber ball was vertically pushed downward at 1.03 m/s from a height of 80.3 cm above a…

A:

Q: moving the box, and have been moving it at 0.73 m/s. You back away, removing your applied force, and…

A: Given problem is based on the theory of friction. When two bodies slip over each other the force of…

Q: (c) What displacement does the particle undergo during the first 11.8 s? Two forces, 1 = (3.90î −…

A: Given that:F1→=(3.90i^-2.60j^) NF2→=(3.65i^-8.05j^) Nm=2.10 kgrO→=(1.60i^+3.50j^) m

Q: An electron is a subatomic particle (m = 9.11 x 10*31 kg) that is subject to electric forces. An…

A:

Q: A 16 kg tuna fish moving horizontally to the right at 6 m/s swallows a 3 kg dalagang bukid that is…

A:

Q: The figure shows a modified setup of E101. m1=2.00 kg is on a frictionless table, m3=5.00kg and…

A: We have some information in the question which is  m1 = 2.00 kg  m2 = 3.00 kg  m3 = 5.00 kg  and we…

Q: Two forces, F1 = (6.10î + 4.30ĵ) N and F2 = (3.40î + 7.65ĵ) N, act on a particle of mass 2.20 kg…

A: Given F1 = (6.10î + 4.30ĵ) N  F2 = (3.40î + 7.65ĵ) N Mass M = 2.20 kg We have to find out  the…

Q: A barefoot field-goal kicker imparts a speed of 44 m/s to a football initially at rest. If the…

A:

Q: The 4 lblb particle is subjected to the action of its weight and forces F1={2i+6j−2tk}lb,…

A: M = ulb F1 = 2i + 6j + 2tk F2 = t2i + 4tj – k F3 = -2ti W = -myk = -4X1 k = -4k F total = F1 +F2 +F3…

Q: A 2000 kg truck with speed 30 m/s suddenly hits the brakes with a constant force of 10000 N.…

A:

Q: 2. Determine the force exerted by the floor on you. c. 4371.72 N а. 4271.72 N b. 4171.72 N d.…

A: Comment: Since we only answer up to  1 question, we’ll answer the 1st question only. Please resubmit…

Q: A pickup truck is moving at 25 m/s with a toolbox of mass m resting on the bed of the truck 2.8 m…

A: 1.189sec time elapses before the toolbox stricks the cab. So your answer us t=1.189sec.

Q: Question 5 M2 M3 М4 M1 1.0 m Four boxes are hanging from a pulley which has negligible mass and…

A:

Q: A 2.0 kg object has a velocity of 4.0f m/s at t = 0. A constant resultant force of (2.0î + 4.0f ) N…

A: According to second equation of motion  v=u+at

Q: A bullet of mass M1 = 0.04 kg traveling with a velocity of 300 m/s strikes a wood block (at rest) of…

A:

Q: 1,200 kg car traveling at a speed of 43 m/s skids to a halt on wet concrete where µk = 0.60. How…

A:

Q: The figure shows an arrangement with an air track, in which a cart is connected by a cord to a…

A: Given: Mass m1=0.540 kg and its centre is initially at xy coordinates(-0.330 m, 0 m) The block has…

Q: A 140 g ball is thrown with a speed of 50 m/s. If it takes 1.5 s for the ball to come to rest in the…

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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: A 5.75-kg object passes through the origin attime t = 0 such that its x component of velocity is…

A: Using Newton's 2nd law:  F_net = m*a m = mass of object = 5.75 kg a = acceleration of object = ax i…

Q: Two forces, F1 = (6.10î + 4.30ĵ) N and F2 = (3.40î + 7.65ĵ) N, act on a particle of mass 2.20 kg…

A:

Q: Two forces, F, = (2.70î – 3.40j) N and F, = (3.70î – 7.80j) N, act on a particle of mass 2.10 kg…

A: F1 = 2.7 i - 3.4 j  F2 = 3.7 i - 7.8 j  mass, m = 2.1 kg

Q: A running back (RB) of mass m1 = 98 kg is running at v1= (8.1m/s)ĵ LB towards the end zone. A…

A:

Q: A 69.8 kg bungee jumper is initially standing at rest on a bridge. After falling a distance 13.2 m,…

A: Given, a mass m = 69.8 kg bungee jumper is initially standing at rest on a bridge (taking downward…

Q: 65-kg ice skater coasts with no effort for 75 m until she stops. If the coefficient of kinetic…

A: given  coefficient of kinetic friction = μ = 0.1  mass = 65 kg  distance covered s = 75 m  final…

Q: A 2.4 kg ball strikes a wall with a velocity of7.1 m/s to the left. The ball bounces off witha…

A: Given : velocity of ball before striking, u = - 7.1 m/s ( assuming left side as negative x axis)…

Q: Calculate the maximum angle θ, that the block can remain stationary on the slope.   These are the…

A:

Q: A net (unbalanced) external force of 100.0 N acts on an object of mass 20.0 kg whose initial speed…

A:

Q: Curling is a sport played with 20 kg stones that slide across an ice surface. Suppose a curling…

A: Impulse  is the integral of a force, F, over the time interval,  Impulse applied to an object…

Q: A 222 kg iceboat glides with initially velocity 3.33 m/s northward across a frozen lake where…

A:

Q: A train with mass of 2000 kg coasts on a frictionless track with a speed of 50 m/ s . How large a…

A: Mass of train: m = 2000 kg Initial speed of train: u = 50 m/s Final speed of train: v = 0 m/s…

Q: A 1000 kg car was travelling at 45m/s when it hit a concrete wall due to drunk driving. Find the…

A: mass of car (m) = 1000 kg Initial velocity (u) = 45 msfinal velocity (v) = 0 mstime (t) = 0.5 sec

Q: A stone of mass m = 1.45 kg is dropped from a height of h = 3.6 m into a basin of water. At a time…

A: The velocity of an object free falling from a certain height is given by v = 2gh, where g =…

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

A: Work done is equal to change in kinetic energy W=∆Ek-Fd=12m∆v2     Force exerted in the direction…

Q: constant retarding force of 50 N is applied to a body of mass 20 kg moving initially  with a speed…

A: Retarding force, F = –50 N  Mass of the body, m = 20 kg  Initial velocity of the body, u = 15 m/s…

Q: A tennis ball is flying east towards the wall with a speed of 40.3 m/s. After bounced against the…

A: Ball is moving at a speed of (Vi) = 40.3m/s towards east. After bounce it's speed is (Vf) = -28.2…

Q: VR = 30 m/s mHA 5000 kg т, 3D 150 kg "VнА 3 200 т/s h=10000 m Şekil 1. T=10000 N T=10000 N Sekil 2.

A:

Q: A 3.00-kg object is initially moving northward at 15.0 m/s. Then a force of 15.0 N, toward the east,…

A: Mass of object (m) = 3 kg  Initial velocity of object = 15 j m/s  Force acting on object (F) = 15 i…

Q: Dan is gliding on his skateboard at 2.56 m/sm/s . He suddenly jumps backward off the skateboard,…

A: SOlution: given that vi, Dan = 2.56 m/s mDan = 42.1 kg mskatboard = 5.99 kg vf, Dan = 6.22 ms t…

Q: In a slap shot in hockey, the stick and puck are only in contact for 0.030s. During this time, the…

A:

Q: Two blocks are free to slide along the frictionless, wooden track shown in the figure. The block of…

A: Using conservation of energy to find the velocity of M1 at lowest point  Mgh = (1/2)Mv2 9.8 × 5 =…

Q: Luke Skywalker, 73 kg, is training on Dagobah. He runs up a  incline for 10 m with an average…

A: The given values are, mwalker=73 kgs=10 mv1=6 mi/h=6 mi/h1.6 km1 mi1 h3600 s1000 m1 km=2.6667…

Q: A 12000 kg railroad car travelling at 10 m/s strikes a second car and comes to rest in 2 seconds.…

A: Given in question: Mass of the car(m) = 12000 Kg                                 Initial speed(u) =…

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: