A 2-kg hanging mass (m,) is connected by a string over a pulley to a 20-kg block (m2) that is sliding on a 50° fixed inclined plane (see the figure below). If the pulley's mass and the mass of the string are negligible, and all surfaces are frictionless, the magnitude of the acceleration (in m/s2) of the moving system is: A. 7.14 В. 9.8 C. 5.93 D. 3.56 E. 0.48 m2

Q: A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum…

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Q: A toy rocket engine is securely fastened to a large puck that can glide with negligible friction…

A: The initial velocity of the puck is 2.00im/s, and the final velocity is (6i+16j)m/s.(a)Write the…

Q: A time-dependent force,  = (7.40i - 3.80tj) N (where t is in seconds) is applied to a 2.00 kg object…

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Q: An archer pulls a bowstring back a distance of 20 cm with an average force of 85 N. The arrow has a…

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A: We have given that the mass of the ball is m and it has an initial velocity of 0, a ball dropped…

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Q: In the figure, block A has a mass of 4.00 kg. It rests on a smooth horizontal table and is connected…

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Q: What is the magnitude of the net force needed to bring a 2085 kg car to rest from 25.6 m/s in 9.3…

A: Solution: Given that mass m= 2085 kg vinitial = 25.6 m/s time t = 9.3 s to find the force required

Q: A 9000-N automobile is pushed along a level road by four students who apply a total forward force of…

A: Given data: Weight of the automobile (W) = 9000 N Force applied (F) = 500 N Friction force is…

Q: what is the player’s acceleration? How far did he slide?

A: Mass of block, m=100Kg Initial speed, vi=6.4m/s Coefficient of kinetic friction, μ=0.46

Q: A body of mass 1 kg is moving along a straight line with a velocity of 1 ms'. The external force…

A: Newton's second law for constant mass is  F=ma Where F is the force m is the mass of the object a is…

Q: A stone has a weight of 40 N on the Mars, where g = 3.7 m/s?. The mass of the stone is O a. 4.08 kg…

A: Answer Weight of the stone is given by the equation W= m×g  Where m is the mass and g is the…

Q: A man is texting on his phone as he drives his car at 40 kmph, he suddenly notices a child is…

A: Given : m1 = 4000 kg m2 = 60 kg Total mass m = 4060 kg u = 40 km/h = 11.11 m/s v = 0 t = 2 s

Q: Two forces F, = (55.76î – 12.93ĵ) N and F, = (27.41î - 72.94ĵ)N are exerted on a particle. The…

A: The mass of the particle is m=10.14 kg The force acting on the particles, F→1=55.76i^-12.93j^ N The…

Q: SFS S\thetas A block of mass 4.48 kg initially at rest is pulled by a force of magnitude Fat an…

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Q: A block with mass m sits on a frictionless plane inclined at angle θ, as shown in the figure. If the…

A: In this question  we use free body diagram.

Q: A boat with mass of 6.7 * 10 kg is traveling at 1.2 * 10' m/s. What is the magnitude of the force…

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Q: A block with mass m1 hangs from a rope that is extended over an ideal pulley and attached to a…

A: Given:  Block mass, m1=6.75 kg Block mass, m2=3 kg Acceleration of blocks, a=0.170 m/s2 Inclination…

Q: A 3 kg object has a velocity of 3i m/sat one instant. 8 seconds later, its velocity is (5i + 7j)…

A: mass = 3 kg initial velocity = 3 i^ msfinal velocity = 5i^ + 7j^ mstime = 8 seconds

Q: In the figure shown, mass m1 = 12.9 kg, m2 = 11.8 kg, and the surfaces are all frictionless. How…

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Q: At time t = 0 s, a motor begins to move a small elevator of mass 117 kg by unreeling a cable. The…

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Q: (6 kg) block rests on a smooth table. It is connected by a string of negligible mass to a (2 kg)…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: Three forces act on an object, considered to be a particle, which moves with constant velocity v =…

A: Given  The value of force F1 is F→1 = 3î + 5ĵ − 6k̂ N . The value of force F2 is F→2 = 4î - 7ĵ + 2k̂…

Q: A 2 kg golf ball moves along an x axis according to x(t) = 1013 – 2.80f2 + 7.4t + 15, with x in…

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Q: An airboat with mass 960 kg, including the passengers, has a propeller that produces a driving…

A: Given Data:- Mass of the airboat is M=960 kg Force produced by the propeller is FP=1680 N Resistive…

Q: There are two forces on the 2.96 kg box in the overhead view of the figure but only one is shown.…

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Q: If there are no non-conservative forces to worry about, what is the magnitude of the applied force…

A: Given data The mass of the object is m. The initial velocity of the object is u1=v. As the velocity…

Q: Two blocks are connected by a massless rope over a massless, frictionless pulley, as shown in the…

A:

Q: A Block of mass m is moving to the left with a velocity of magnitude v1. At t=0 a force is exerted…

A: Given that mass of block = mWe know that ,            Force exerted will be equal to ma - iAs…

Q: Show that the acceleration of any object down an incline where friction behaves simply (that is,…

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Q: An accelerating crane system consisting of two masses connected by a cable that passes through a…

A: Analyze the diagram of the given situation. Note- Consider the rightward direction along the…

Q: Three vector forces F1, F2 and F3 act on a particle of mass m = 3.80 kg as shown in Fig. Calculate…

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Q: A 3.69x103 kg train is moving at a constant speed of 10m/s on a horizontal railroad track that…

A: Given data: Mass (m) = 3.69 × 103 kg Constant Speed (v) = 10 m/s Frictional force (f) = 500 N

Q: Two blocks are connected by a massless rope over a massless, frictionless pulley, as shown in the…

A: Given,mass of the block 2, m2 = 10.5 kgcoefficient of kinetic friction, μk = 0.200angle of…

Q: The system, which was initially at rest moves with acceleration a after it is released. Find the…

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Q: For t < 0, an object of mass m experiences no force and moves in the positive x direction with a…

A: It is given that,

Q: A car of mass m=1500kg is on an icy driveway inclined at an angle 0 = 53° as in Figure. What is the…

A: Given  Mass of car m=1500 kg θ=53

Q: What is the weight, in N, of an object with a mass of200 kg at a location where g = 9.6 m/s2?

A: The expression for the weight of the object is,

Q: a 2 kg golf ball moves along an x axis according to x(t) = 10t^3 - 2.80t^2 + 7.4t +15 , with x in…

A:

Q: A block of mass M slides down a frictionless plane inclined at an angle ? with the horizontal. The…

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

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Q: A robot with fancy wheels is trained to move in two directions simultaneously. The force in the…

A: force in forward direction = 10 N force in horizontal direction = 8 N mass = 75 kg time = 100 sec

Q: A hockey player slaps a puck into a cushion, which brings the puck to rest.  If the puck's initial…

A:

Q: A 2.8 kg mass is initially at rest while upon a horizontal surface. An applied force of 17 N is…

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Q: In an experiment using an inclined track with a dynamics cart, the computer failed, and the student…

A: Write the equation of motion

Q: Two bodies of masses 50 kg and 20 kg are connected by a thread and move along a horizontal plane…

A: Given: The masses of the objects are 50 kg and 20 kg. The applied force is 400 N.

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.