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 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: Is the speed of the proton wrien Express your answer in meters per second. A proton with mass 1.67 x…

A: Mass of proton mp = 1.67×10-27 kg Initial speed of proton v1 = 3.00×105 m/s Constant α = 2.12×10-26…

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: 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: the net force acting on the electron and (b) the electric force F2−→ .

A:

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

A: Given data: -  The mass of the box is m = 1.50 kg. The height of the hill is h = 2.00 kg. The mass…

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: Kyle, a 95.0 kg football player, leaps straight up into the air (with no horizontal velocity) to…

A: Given,mass of the football player, M = 95.0 kgmass of the ball, m = 0.430 kgheight above the ground,…

Q: SpaceX engineers is planning to build a 2-stage rocket which has a-t graph as shown. By their…

A: For 0≤t≤20 s acceleration is constant v=u+atNow, u=0So, v=atv=22t            1   Displacement is…

Q: Problem 8. A baseball has a mass of 0.149 kg. to. If it is thrown with a speed of 55 m/s and after…

A:

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: A particle of mass 2.4 kg is subject to a force that is always pointed towards the North but whose…

A:

Q: A 53.8-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

A:

Q: A 1.68 kg mass is initially at rest upon a frictionless, horizontal surface.  An applied force of…

A: The mass of the object is 1.68 kg.The initial speed of the object is 0 m/s.The surface is…

Q: At the instant of the figure, a 4.20 kg particle P has a position vector 7 of magnitude 9.40 m and…

A:

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: Mass ma=5kg and mg-2kg. Determine accelerations as and as of the two particles. (g=9.81m/s²),…

A:

Q: A 47.7-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

A: Given: The mass of the skater is 47.7 kg. The initial velocity of the skater is 0 m/s. The final…

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 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: kg begins at rest and is then subject to a force in the positive x direction that changes with time…

A: Given:-  The mass of the particle is m = 0.61 kg A particle begins at rest and is then subject to 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: 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: A 54.1-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

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: Consider two rigid objects whose masses are mA and mB. Their initial velocities are vAi and vBi.…

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: 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: A 54.1-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

A:

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 frictionless crate is attached to a spring with force constant 531 N/m. When the crate has a…

A:

Q: A 43.3-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

A:

Q: (7%) Problem 8: A4.75 10-kg rocket is accelerating straight up. Its engines produce 1.15 10¹ N of…

A:

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.