E. A parcel of mass 20 kg is placed on the floor of a lift, Taking g as 10 m s²², the reaction of the lift on the parcel when the lift is ascending with an acceleration of 3 m s² is A 260 N B 140 N C 200 N D 600 N

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A: The Data is taken from the given question as follows : The breadth of the box is               x =…

Q: Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He…

A:

Q: Mona tion m2 An object of mass m1= 6kg placed on a frictionless, horizontal table is connected to a…

A:

Q: The figure shows a container of mass m₁ = 4.5 kg connected to a block of mass m₂ by a cord looped…

A:

Q: a a 2.0-kilogram mass to slide the same distan along a tabletop. 2.0 kg 1.0 kg

A:

Q: The average speed of a nitrogen molecule in air is about 6.70×102 m/s, and its mass is 4.68×10-26…

A: Given,

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A: Lets draw the fbd of the given condition in the above question:-

Q: F

A: Given: Mass m1 = 4.7 kg. Mass m2 = 2.4 kg. Upward force F = 6.4 N. Downward acceleration (a) = 4.7…

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A: We know that net force acting on an mass is given as  Fnet=ma

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A: Mass of railroad car =9216 kg Frictional force = Ff= 1/200 x mg weight of railroad car = mg S= Area…

Q: A = iat +jßt + kyt where a, B, and y are constants, find the first and second time derivatives dA/dt…

A:

Q: An Atwood’s machine is made of two masses, a string and a pulley. The string goes over the pulley…

A: Consider the following figure.   Here, a represents the acceleration of the masses and T represents…

Q: Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He…

A: Given: The MSE is determined based on the three month moving average whose value is being less than…

Q: A car that weighs 13300.0 N is initially moving at a speed of 53.0 km/he when the brakes are applied…

A: Given data: Weight of car is, W=13300.0 N. The initial speed is, u=53 km/h=14.72 m/s. Final speed…

Q: Find the tension T in a cable holding a $$ x 100 kg elevator that is cruising upward at a velocity…

A: Given: Weight of elevator m = 100 kg. upward velocity v = 5 m/s. Time taken to stop the elevator t =…

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A: mass = 73 kg the apparent weight in an elevator = 644 N

Q: Compare the velocity of water coming out of the bottom of a water tower of height h (vt) and the…

A: Given: velocity of water from bottom of tank =vt velocity from a height=vf

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A:

Q: The large block shown is x = 48 cm wide, y = 36 cm long, V3 and z = 6.0 cm high. This block is…

A: The drag force is, Fd,1=12ρv2CDA=121.43 kg/m38.01 m/s20.8320.48 m0.06 m=1.099 N The drag force is,…

Q: (a) Find the tension T in a cable holding a 82 x 100 kg elevator that is cruising upward at a…

A: Given data The mass of the elevator is m = 82 x 100 kg = 8200 kg The initial velocity if the…

Q: A 80 kg person stands on a weight scale in a elevator. The elevator is moving up with a acceleration…

A: Normal force (Apparent weight) will be given by: Apply Net force balance on person: From Newton's…

Q: ​An Atwood’s machine is made of two masses, a string and a pulley. The string goes over the pulley…

A: Given: The mass of m1 is 200 g. The mass of m2 is 300 g.

Q: The large block shown is x = 16.0 cm wide, y = 21.0 cm long, and z = 28.00 cm high with a mass of…

A:

Q: A block of mass M is being pulled by a rope under tension that is angled 0 degrees above the…

A:

Q: A 1100-kg elevator is rising and its speed is increasing at 3.0 m/s2. The tension in the elevator…

A: Draw the free-body diagram of the system.

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A: Given:-  The lift on the balloon due to the buoyant force is  Fb =  5000 N. The acceleration is a =…

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A: Using the equation of motion, the velocity of the ball when it hits the ground can be obtained as…

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A: consider the velocity of the object at ant time instant is, v. The retardation of acceleration of…

Q: A baseball has a terminal speed of 42 m/s in air (ρ = 1.2 kg/m3). What would be its terminal speed…

A: Solution:We know that the terminal speed of an object in a fluid is given as:v= 2 mgρACwhere, m is…

Q: m m2 An object of mass m1= 5kg placed on a frictionless, horizontal table is connected to a string…

A:

Q: Suppose an object with mass, m, is suspended from a cable. Which statement about Tension is true?…

A:

Q: 120 100 80 60 40 20 4 6. mass m/kg 2. The scale chosen for the Y axis is 3. For a value of Ax = 6kg,…

A:

Q: A 60-kg secret service agent rides in an elevator while standing on a scale. The scale reads 400 N.…

A:

Q: A runner of mass 51.1 kg starts from rest and accelerates with a constant acceleration of 0.8 m/s2…

A:

Q: A 1000 kg car and a 2000 kg car are traveling on an icy road, meaning there is low friction between…

A: Given  m1= 1000kg m2= 2000kg Let coefficient of friction is µ

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A: Given data:  Force on an object F = -bv Here, v = speed of the object Required: SI unit of b

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A: Suppose (M) be the mass of the person in kilogram who is standing on elevator and elevator going in…

Q: On a trolley weighing WT = (306.1725) N, a crate with Wc = (612.345) N is being transported along a…

A: Given that: Weight of trolley: WT=306.1725 NWeight of crate: WC=612.345 NMass of trolley:…

Q: A ball is falling through air.  Calculate the terminal speed (a positive number, in m/s) if these…

A: Mass of the ball, Acceleration due to gravity,  Coefficient of air resistance,

Q: The power required to drag an object through a viscous fluid (like honey) is P = –bv² , where v is…

A: Given data: Power required to drag P = -bv2 v is speed of the object  Required: SI unit of b

Q: A tennis ball (typical mass 57.5 g) flying through the air may be affected by air resistance. The…

A: Please post the remaining questions separately!

Q: After falling from rest from a height of 29 m, a 0.45-kg ball rebounds upward, reaching a height of…

A: Given,

Q: n empty elevator car of a building has a mass of 1 metric ton. It has a counterweight with a mass of…

A:

Q: (b) Water is falling from a height of 40.0 m.The volume of water falling per second is 30 m/s.Take…

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Q: A car engine with a given weight of w, is suspended in air by a cable that is connected to a…

A: Given: The weight of the engine is w. The tension in the cable is T1.

Q: w5 In what way does friction help us *in our everyday life Skiing down a slope O Climbing a hill…

A: The first question is about the friction . Friction is the opposition offered to the relative motion…

Q: In a research facility, a person lies on a horizontal platform which floats on a film of air. When…

A: The mass of the combined system is, The speed of the blood is, The distance traveled by the…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!