4.When the force F = 2i + 9j + 5k N acts on a spherical body with a mass of 5 kg for 2 seconds, it moves from r1 = 3i - 4j + 5k m to r2 = -4i + 3j + 5k m. (a) Find the work done by the force

Q: 2.A box is pushed by force of 300 N up an inclined plane (incline angle = 30.0°). The mass of the…

A:

Q: A 2.5 kg object undergoes a displacement Ar=3.0 ml +3.5 mĵ-2.0 m k along a straight line. During the…

A:

Q: An object undergoes a displacement Ar =5i+2j. During the displacement, a constant force F = 3i -1j…

A: The work done by the force is given by  W= F→ . r→ where, F is the force and r is the displacement…

Q: A constant 81.8-N force acts on a 3.70-kg box. The box initially is moving at 11.3 m/s in the…

A: Applying Work-Kinetic Energy theorem:- Work done by the force(W)=Change in KE of the object Hence,…

Q: a traveler had to carry a suitcase. an lifted the suitcase to height h, , and then set it back down.…

A:

Q: 100 feet and weighing A chain, with length h 3 pounds per foot, hangs over the side of a building.…

A: Given:  Total length of the chain = 100 ft Weight of the chain = 3 pound per feet

Q: A block of mass m= 5.00 kg is pulled along rough horizontal surface by a rope as shown in the figure…

A:

Q: The engine of a Honda Civic has a power of 1.32 x 105 W (176.88 hp).   a) How much work does this…

A: Power is defined as the energy transferred per unit time. Since this energy is consumed in work…

Q: A block with a mass of 43.0 kg is pushed with a horizontal force of 150 N. The block moves at a…

A:

Q: A constant 77.7-N force acts on a 5.80-kg box. The box initially is moving at 26.0 m/s in the…

A: Given data:  Force (F) = 77.7 N Mass (m) = 5.80 kg Initial velocity (v0) = 26.0 m/s Final velocity…

Q: A 2.75-meter-long log on a panda sanctuary leans on an almost vertical rock wall and it makes 30⁰…

A:

Q: Starting from rest, a 5.1-kg block slides 2.10 m down a rough 30.0° incline. The coefficient of…

A: Dear student as you have asked a question with multiple subparts, according to Bartleby policy we…

Q: 1.A person is pushing a box across a floor. Can the frictional force on the box ever exceed its own…

A: We are authorized to answer one problem at a time, since you have not mentioned which one you are…

Q: A typical muscle fiber is 2cm long and has a cross-section area of 3.1x10^-9m^2. When the muscle…

A: Work don by muscle is  W = Force × Change in length      = F × dr.

Q: One of the most powerful forklifts was built in Sweden in 1991. The lift is capable of lifting a 9.0…

A: WE KNOW THAT  work=force*displacementforce=workdisplacement

Q: 4. A constant force of 20.0 N i pushes a 1.50 kg mass over a distance of 5.00 m. in the x-direction.…

A:

Q: You push a stalled car with a constant force of 235 NN as it moves a distance 8.40 mm in a straight…

A: Work done  W=Fdcosθcosθ=WFdθ=cos-1WFd

Q: An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and…

A: Work done is given by  Work = change in kinetic energy  Kinetic energy = 0.5 mv2 The work done is…

Q: (a) Determine the work done by the force of gravity. (b) Determine the work done by the friction…

A: Free body diagram

Q: Starting from rest, a 5.50-kg block slides 2.40 m down a rough 30.0° incline. The coefficient of…

A:

Q: A typical muscle fiber is 2.0 cm long and has a cross-section area of 3.1 x 10-9 m2. When the muscle…

A: The expression for the work done by the muscle fiber is given by, W=F∆L The value for the change in…

Q: Starting from rest, a 4.70-kg block slides 3.40 m down a rough 30.0° incline. The coefficient of…

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Q: Starting from rest, a 5.50-kg block slides 2.30 m down a rough 30.0° incline. The coefficient of…

A:

Q: A 2.28 kg block is pushed 1.69 m up a ver- tical wall with constant speed by a constant force of…

A: Visualize the Problem:

Q: A truck has a gross weight of 1.0 x 106 N. Assuming that the concrete road has a coefficient of…

A:

Q: Starting from rest, a 5.70-kg block (a) Determine the work dom (b) Determine the work dor (c)…

A: fig.1

Q: A 75.0 kg painter climbs a ladder that is 2.75 m long and leans against a vertical wall. The ladder…

A: l=Length of ladder=2.75 mθ=Angle ladder makes with wall=30°g=Accleration due to gravity=9.81 m/s2

Q: Starting from rest, a 5.40-kg block slides 3.40 m down a rough 30.0° incline. The coefficient of…

A:

Q: 1B. A crate of mass 10.0 kg is pulled up a rough 20°- incline. The pulling force is 100 N parallel…

A: Given: The mass of the crate is 10 kg. The angle of inclination is 20o. The pulling force is 100 N.…

Q: 1) A block of mass m = shown. The coefficient of kinetic friction between the block and the wall is…

A:

Q: 29. Jonathan is riding a bicycle and encounters a hill of height AMT 7.30 m. At the base of the…

A: Given :

Q: 1. A jeep with mass of 2000 kg is going 18 m/s at the bottom of a hill that is 50.0m high. When it…

A: 1. According to the kinematics equation, the acceleration of the object is,…

Q: Starting from rest, a 4.3-kg block slides 2.40 m down a rough 30.0° incline. The coefficient of…

A:

Q: A tension force of 175 N inclined at 20.0 degree above the horizontal is used to pull a 40.0-kg…

A:

Q: A tension force of 155 N inclined at 30.0° above the horizontal is used to pull a 35.0 kg shipping…

A: