1. A stone of mass 5g is projected with a rubber catapult. If the catapult is stretched through a distance of 6cm by an average force of 70N, calculate the instantaneous velocity of the stone when release ? (Ans: 44.27 metre per second)

Q: A 2.0-kg block initially at rest is pulled to the right along a horizontal, frictionless surface by…

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Q: 1. A 700 N load is suspended 1.2 m from one end of a 3.0 m pole. if the pole is lifted by 2 boys,…

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

Q: 3. A body of mass 2 kg is supposed to have an initial velocity of 10m/s and is then pulled 4 meters…

A: Given Data : The mass of the body is given as m = 2Kg. The initial velocity of the body is given as…

Q: A 450-N is in contact with a level plane of fk = 0.10. The block is acted upon by a horizontal force…

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Q: Two balls A and B are pushed horizontally from a surface of height 11.27 meters. Ball A is pushed so…

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Q: 32. A net (non-zero) force acts on a particle. Which of the following does not have to be true? The…

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Q: At a moment, a particle experiences a net force of F = (11.2N)i +(9.3N) ĵ. At that same moment its…

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Q: 3. An 8 kg block initially at rest is pulled to the right for 3 m with a force of 12 N over a…

A: Given : Mass of a block (m) = 8 kg Displacement (d) = 3 m Force (F) = 12 N  Initial speed (vi) = 0…

Q: Q1: A gun fires a projectile of mass 10 Kg. The muzzle velocity is 133 m/s. If the barrel :be…

A: Here, air resistance is ignored, therefore the horizontal component of velocity remains the same…

Q: A baseball pitcher throws a ball straight up into the air at a speed of 21.5 m/s. In the process, he…

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Q: An actor whose mass is 75 kg jumps from the platform. Determine the speed of the actor as it hits…

A: Given that: height, h=5 mg=9.8 m/s2mass, m=75 kgv=?

Q: A projectile of mass 0.569 kg is shot straight up with an initial speed of 28.7 m/s. (a) How high…

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Q: At a particular instant, a 1.0 kg particle's position is r = (4.015.0ĵ+ 2.0k) m, its velocity is ✔ =…

A: mass m=1kgposition    mvelocity    m/sforce

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 1060 kg rocket is to be launched with an initial upward speed of 53.0 m/s. In order to assist its…

A: Given data: The mass of the rocket is m = 1660 kg The inclination angle is θ=53° The upward speed…

Q: Find the force needed to accelerate a 50 kg crate up a 30.0° incline at a rate of 1.2 m/s².

A: 5) Draw the free-body diagram along with the inertia diagram.

Q: A force of magnitude F acting in the x-direction on a 2.0-kg object varies in time as shown in the…

A: Given : Mass(m)=2kg initial velocity=2m/s To find: Final velocity

Q: 1. A 0.5854-kg hammer is moving horizontally at 7.369 m/s when it strikes a nail and comes to rest…

A: a)Duration of impact 7.83×10-3 S b) avarage force =550.934N

Q: A 0.42 kg soccer ball is 1.1 meters above the ground when it is kicked upwards.  The vertical…

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Q: 13. A force acts on a 2.7 kg object that moves along the x axis (see figure). If the velocity v̟ is…

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Q: 2. A mass of 4 kg is dropped with a velocity of 5 m/s. a. Find an expression for the velocity of an…

A: a) Fnet = mg - 60v  ma = mg - 60v  mdv/dt = mg - 60v dv/(mg - 60v) = dt/m  Integrating both sides…

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: A toy rocket achieves a velocity of 54.0 m/s after 2.50 s, when fired straight up. If the average…

A: Velocity of toy rocket is v = 54 m/s Time taken to achieve the velocity is t = 2.50 s Average force…

Q: The only force acting on a 3.4 kg body as it moves along the positive x axis has an x component Fx =…

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Q: Figure Shows load hanging from the ceiling of an elevator that is moving at constant velocity. Take…

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Q: 500N 500N 600N B 5 A F U=0.2 3m

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Q: If a 0.50-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force…

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Q: 1. Two blocks are connected by a light string that passes over a frictionless pulley as shown in the…

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Q: 5. Three objects of the same mass are launched separately at different angles (30, 45 and  60).…

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Q: 1. A 0.5628-kg hammer is moving horizontally at 6.676 m/s when it strikes a nail and comes to rest…

A: we know that  V2-u2=2aSV = 0u = 6.676 m/sS=0.03604 m substituting we get a = -618.32 m/s^2

Q: A) i.,ii.,iii,

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Q: Mass, M Spring compression, x 95 kg 1.6 m Trial k, N/m Uelo , J Uelf, J v (m/s) .... 1 980 1254.4…

A: We have been given mass m=95 Kg, compression x=1.6 m, and k for 5 trials and corresponding potential…

Q: Estimate the average force exerted by a shot-putter on a 7.3-kg shot if the shot is moved through a…

A: Initial speed, u=13 m/sMass, m=7.3 kgDistance,s =2.7 m

Q: A doctor is testing how much impact force does a 75 kg athlete has on his knees when he jumps. On…

A: Given that: m=75 kgv=7.5 m/st=0.4 sec

Q: 5. Two forces, F = (-6,00î – 4.00ĵ)N and E = (-3.00î + 7.00 j) N, act on a particle of mass 2.00 kg…

A: According to Newton's Second of motion Where m = mass of the object,  = Net External force on the…

Q: 1.) A car that weighs 4000 Ibs. (1814 kg), crashes into a wall. What is the impulsive force (F) if…

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: Calculate the force produced during a pushup for the following person: Mass of person = 58.9kg arm…

A: The expression for the force produces during the push up is F = mg Use the given values F=58.9 kg9.8…

Q: An antitank weapon fires a 3.00-kg projectile which acquires a speed of 50.0 m/s after traveling…

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Q: 3. A projectile is launched with initial velocity V and angle 45° with horizontal. The initial…

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Q: If a 0.50-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force…

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Q: After the box in the figure has moved 3 meters from rest, the constant force P = 600 N is removed.…

A: Given Horizontal force = 600 N Coefficient of friction u = 0.2 Displacement S = 3 m

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: