According to the work-energy theorem, total change in energy is equal to the _______ a) Total work done b) Half of the total work done c) Total work done added with frictional losses d) Square of the total work done

Q: A 4.4-kg block is pushed 3.5 m up a vertical wall with constant speed by a constant force of…

A: Given information:Mass of the block (m) = 4.4 kgCoefficient of friction between the block and the…

Q: A block is dragged over a horizontal surface by an 80 N force acting 25° above the horizontal. The…

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Q: How much work is done by the force of gravity in moving a 10 kg block from an initial height of 2 m…

A: Given:   Mass of block, m = 10 kg initial height, h1 = 2 m final height, h2 = 10 m   Value Used:…

Q: If the work done by a variable force, the forces A all choices are correct B decreases C remain…

A: Given data, Given that the acting forces are variable in nature.

Q: Calculate the ratioof the mechanical energy at B and mechanical energy at A (EB/EA) and (EC/EB).…

A: Given data: Mechanical energy: EA=EB=EC=3000 J

Q: The brakes of a truck cause it to slow down by applying a retarding force of 3190 N to the truck…

A: Write the expression for the work done. Here, F is the force, d is the distance, and θ is the angle…

Q: A different car accelerated from 0.12 m/s to 0.52 m/s. The acceleration of the car was 0.040 m/s2.…

A: Given: The initial velocity of the car is 0.12 m/s. The final velocity of the car is 0.52 m/s. The…

Q: An object having the capability to do work is said to possess: A) Inertia B) Force C) Pressure D)…

A: An object having capability to do work is said to possess

Q: A man pushes a block of mass M along a frictionles ramp at constant speed to a heighth as shown in…

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Q: According to the work-energy principle, the NET work on a system causes: an increase in the kinetic…

A: Work Energy theorem state that Total work done by conservative, non conservative and pseudo forces…

Q: In the figure, a 2.12 g ice flake is released from the edge of a hemispherical bowl whose radius r…

A: mass of ice flake = 2.12 gradius (r) = 16.2 cm = 0.162 m surface type = frictionless

Q: A student pushes a textbook 1.0 m across the table.  She uses an applied force of 5.0 N against a…

A: Net work done is the sum of work done by the student and by the force due to kinetic friction.

Q: In the figure, a 2.51 g ice flake is released from the edge of a hemispherical bowl whose radius r…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: A force is called a conservative force if: a) The work done by the force is independent of the path.…

A: Forces are classified as conservative forces and non-conservative forces. A force is defined as…

Q: Given the equation x=18t-38t2+17t3 m=16mg,find work done from t=0s to t=3 s

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Q: A 3.35-kg bucket of water is tied to a rope and lifted vertically upward at a constant speed of 2.1…

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Q: A surveyor 100 m from a long straight 200-kV DC power line suspects that its magnetic field may…

A: The current is given by I=2πrBμ0

Q: d. Torque is the same as force even in direction e. Angular momentum is not a vector f. The…

A: d. False : Torque is moment of force. T→=r→×F→ e. False: Angular momentum is a vector quantity.…

Q: the work done is" O negative zero O positive could be positive or negative

A: The work done will be negative.Option 1 is right.

Q: Find the divergence of D for the following. 4x y2 2x -

A: Given: The vector field is given as

Q: A 7.80-g bullet moving at 660 m/s penetrates a tree trunk to a depth of 5.80 cm. (a) Use work and…

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Q: A-350-kg box is pulled 7.60 m up a 35.0° inclined plane by an external force of 5000 N that acts…

A: Given: Mass=350kg d=7.60m Angle=35 deg External force=5000N Need to find Work done by external…

Q: If the total work done on an object is positive. -its potential energy will increase -its kinetic…

A: Work done is the scalar product of force and displacement. A moving object possesses kinetic energy…

Q: A 39 kg child is jumping on a trampoline with a spring constant of 4700 N/m. On a particular jump,…

A: solution: Apply the conservation of energy for this motion. At the maximum height, the speed becomes…

Q: A factory worker pushes a 30-kg crate a distance of 4.5 m at a downward angle of 30° below the…

A: Given that   mass of the create m = 30 kg distance d = 4.5 m coefficient of kinetic friction μ =…

Q: system of two objects has AKtot = 7 J and AUint = -5 J. How much work is done by interaction forces?…

A: total change in kinetic energy =total change inpotential energy =

Q: If several forces are exerted on a system, calculate the work done by each force, then multiply the…

A: If the several forces are exerted on a system calculate the work done by each force, then multiply…

Q: When we say work is done by a force, we mean the force does?  A) all the work B) positive work C)…

A: When we say work is done by a force, we mean the force does positive work.

Q: work is being done when an object is displaced in the same direction as the force applied.   -…

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Q: A car of mass 1500 kg is initially travelling at a speed of 10 m/s. The driver then accelerates to a…

A: At intial  Velocity of the car = 10m/s Mass of the car =1500 kg At final  Velocity of the car =25…

Q: a child pulls a box of 6kg a distance of 10 meters along a rough horizontal surface with a…

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Q: Determine the amount of work done by the applied force when an upward force is applied to lift a…

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Q: A 268-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 40.1 °…

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