Two forces, F1 = (3.90î − 2.60ĵ) N and F2 = (3.65î − 8.05ĵ) N, act on a particle of mass 2.10 kg that is initially at rest at coordinates (+1.60 m, +3.50 m). (a) What are the components of the particle's velocity at t = 11.8 s?  v = 42.362i−59.826j m/s (b) In what direction is the particle moving at t = 11.8 s?   305.30 2   (c) What displacement does the particle undergo during the first 11.8 s? Δr = 863.07 m is not correct answer

Q: A 46.9-kg skater is standing at rest in front of a wall. By pushing against the wall, she propels…

A: See below

Q: 2. A time-dependent, one-dimensional force acts on a particle of mass m in the +x direction…

A:

Q: A runner of mass 62.0 kg initially moves at a

A:

Q: A 3.1 of object is initially moving at 2.7 m/s to the right while experiencing a net force that also…

A: Given that: Mass of the object, m=3.1 kgInitial velocity, u=2.7 m/sF=1.2tt=3.4, v=? s=?

Q: son throws a 0.5 kg ball up in the air in 1.1 s. During this process the position of the ball…

A: Given  Mass m = 0.5 kg  Initial velocity u = 0  Final velocity v = 7 m /s  Displacement s = final…

Q: A person slaps her leg with her hand, bringing her hand to rest in 260 ms from an initial speed of…

A:

Q: A block of mass m1 =3 kg is on a table and attached to a block of mass m2 =4 kg m2 =4 kg by a mass…

A: Draw the free-body diagram of the mass m1.

Q: Juliet drops a 0.25 kg grapefruit from the 3rd-floor palcony (10 m high), into Romeo's waiting hands…

A: Given Mass of grapefruit is m= 0.25 kg Acceleration due to gravity is g= 9.80 m/s2.

Q: An archer shoots an 18.0-gram arrow at a 43.0-gram target on a wall 32.0 m high. If the arrow is…

A: Mass of arrow (m)=18 g Mass of target (M)=43 g Height of wall (H)=32 m Speed with which the arrow…

Q: Again, m = mass of projectile = 0.045 kg, k Spring constant of launcher = 100 N/m, and x the spring…

A: The spring constant k = 100 N/m  The mass of the projectile m = 0.045 kg   Distance the spring is…

Q: A 1.91 kg mass is initially at rest upon a frictionless, horizontal surface.  An applied force of…

A: The mass of the object is 1.91 kg.The initial speed of the object is 0 m/s.The surface is…

Q: A 7.7 kg mass is attached to a massless spring with spring constant k = 32.7 n/m . The system rests…

A:

Q: Problem B2. A small box of mass m = 1.50 kg starts from rest and glides down a smooth, frictionless…

A: In the given scenario, we need to determine if the work done by friction is independent of the…

Q: An experimental rail car with a rocket mounted on it is free to slide on a rail that is so slippery…

A: Since the question  contains more than three sub parts, solution for the first three is provided…

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: While sunbathing on the balcony of your 3rd floor apartment, you notice a gorilla drop a m = 34.7 kg…

A: Step 1: Given   Step 2: General solution of Angular momentum of crate when it falls through a height…

Q: The force acting on a skater of mass 73.4 kg is attenuated with her speed v as F=-1.23*v2, where v…

A: Given that: Mass of skater, m=73.4 kgF=-1.23 v2Initial speed, vi=4.06 m/sInitial speed, vf=2.24…

Q: An object with a mass of 1.93 kg is initially at rest upon a horizontal, frictionless surface. An…

A: Given data: Mass of an object is, m= 1.93 kg The object is initially at rest, vi = 0 The applied…

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,

Q: A dated box of dates, of mass 7.1 kg, is sent sliding up a frictionless ramp at an angle of e to the…

A:

Q: A 128 kg astronaut and his equipment are initially at rest. To move forward with a velocity of 2.34…

A: Given data:  Mass (m) = 128 kg Initial velocity (u) = 0 m/s Final velocity (v) = 2.34 m/s Force (F)…

Q: Identical twins, each with mass 47.0 kg, are on ice skates and at rest on a frozen lake, which may…

A: Given : m1 = m2 = 47 kg mpack = 12 kg vpack = 2.70 m/s

Q: 9. A particle of mass m is moving along the smooth horizontal floor of a tank which is filled with…

A: Fluids that are viscous do not flow easily. It is possible for cold fluid to become viscous or thick…

Q: An archer shoots an 18.0-gram arrow at a 43.0-gram target on a wall 32.0 m high. If the arrow is…

A: Using law of conservation of energy, the expression for find velocity is 12mu2=mgh+12mv2v=u2-2gh

Q: A 5.7 Kg mass is attached to a massless spring with spring constant k = 35.9 N/m. The system rests…

A: The mass attached to the spring is m = 5.7kg the spring constant of the spring is k = 35.9 N/mthe…

Q: An object of mass m slides down a slope of Ɵ angle with µ(kinetic) friction. velocity is V(zero) at…

A: Here, it is given that an object of mass m slides down a slope of Ɵ angle with coefficient of…

Q: A particle of mass 5.70 kg moves in the horizontal xy plane. The only force acting on the particle…

A: Given:  Mass = m = 5.7 kgForce = F = 4.7x2i^r0 =2.1i^+2.1j^ mrf = 6.5i^+2.1j^ mAt r0, v0 = 3.8 m/s

Q: Problem 14: A particle of mass 1.39 kg begins at rest and is then subject to a force in the positive…

A:

Q: A pendulum consists of a 2 kg bob attached to a light string of length 6.0 m.  The bob is struck…

A:

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 m=2.20kg P(+2.05 m, −4.50 m)

Q: baseball with mass m=m=0.145 kg is dropped from rest from a height of h=h=5.9 m above a baseball…

A:

Q: A 79.3 kg bungee jumper is initially standing at a rest on a bridge. After falling a distance 19.6…

A: Given: The mass of the jumper is 79.3 kg. The person falls a distance of 19.6 m. The force of the…

Q: Judy has a mass of 72.0kg and stands on slippery ice. She catches her leaping dog (mass 15.0kg),…

A: the speed of Judy and her dog after she catches him = ?

Q: A 2.0 kg projectile with initial velocity v→ = 6.5 ı^ m/s experiences the variable force  F→ =-2.0t…

A:

Q: At the instant of the figure, a 7.20 kg particle P has a position vector i of magnitude 1.10 m and…

A:

Q: Two forces, 1 = (−6.55î + 4.75ĵ) N and 2 = (−4.05î + 6.40ĵ) N, act on a particle of mass 2.20 kg…

A:

Q: foot down incon mig missi that pass over a pen post designing system al efense base. Radar at the…

A: As h=4.2 km =4200 m   And horizontal distance x= 8242.96 m Then distance travelled by Patriot Rocket…

Q: 18.710 7. An airplane of mass 1.5x104 kg moves horizontally at a speed of 60.0 m/s. The pilot then…

A:

Q: A mass m₁ = 4.0 kg is suspended over a massless frictionless pulley and is attached with a. massless…

A:

Q: A uranium nucleus (mass 238 units) at rest decays into helium nucleus (mass 4.0 units) and thorium…

A: Given Helium mass m1                      = 4.0 unit Thorium mass m2                    = 234 unit…

Q: 2.30 Knowing that the forces P and Q are equivalent to a single force R that passes through point A,…

A: P and Q are equivalent to a single force R that passes through point A. The combined moment of P and…

Q: 9.26e+4 moVing with a velocity of magnitude 72.9 hits a car of mas 1.78e+3 at rest. If the train…

A: According to Newtons third law for an every action there is always an equal opposite reaction

Q: Dr. Jekyll (m = 70kg) is riding a skateboard when he realizes the cranberry juice he’s drinking is…

A: Given data: Mass of Dr. Jekyll, m=70 kg Initial speed of Dr. Jekyll, u=6.5 m/s Mass of Mr. Hyde,…

Q: Consider a tennis ball of mass 0.040 kg making contact with a racquet at 23.7 m/s for 1.30 ms. If…

A:

Q: A stationary soccer ball of mass m = 0.72 kg is kicked with a constant force of F = 29 N. The…

A:

Q: A 54.9-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

A: The Impulse is defined as the product of force and the time for which it is applied. This…

Q: an iron ball with a mass of 67.5 kg is traveling with an initial velocity of 20.5 m/s. the ball is…

A: Given:-  The iron ball of mass m = 67.5 kg  The initial velocity of the iron ball v= 20.5 m/s. The…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.