An electric elevator with a hoist at the top has a steel cable which weigh 3kg/m. The total height of the elevator is 30 m from the basement to the top floor. Assuming that the cable is completely wound on to the motor when the elevator is in the top floor position, determine the total work done in lifting 500 kg load from the basement to the top floor 15.

Q: The loaded cab of an elevator has a mass of 4.70 × 103 kg and moves 191. m up the shaft in 24.0 s at…

A: Calculate the constant speed at which the elevator is moving. v=Dt=191 m24 s=7.958 m/s Here, v is…

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A: The Free Body Diagram of the 200 N box is shown below,   The Bos is being pushed at a constant…

Q: The loaded cab of an elevator has a mass of 3.0* 103 kg and moves 210 m up the shaft in 23 s at…

A: Given:  mass, m = 3 x 1000 = 3000 kg  distance, s = 210 m  time, t = 23 s

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Q: A loaded elevator has a total mass of 29 kg and is lifted to a height of 200 m in a time of 45s.…

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A:

Q: The loaded cab of an elevator has a mass of 4.70 x 10° kg and moves 233. m up the shaft in 21.0 s at…

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A: Let us write the relation for the resultant force.  F+FN+m-Mg=m+Ma                 1 The…

Q: The loaded cab of an elevator has a mass of 3.0 × 10³ kg and moves 210 m up the shaft in 23 s at…

A:

Q: A box of canned goods, contents have a total mass of 4.5 kg, is pushed 2 m along the floor by a…

A:

Q: A box of canned goods, contents have a total mass of 4.5 kg, is pushed 2 m along the floor by a…

A: The free body diagram of the box is given below.

Q: What average mechanical power (in W) must a 61.5 kg mountain climber generate to climb to the summit…

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A:

Q: A 10 ft. pole weighs 30 Ibs. (of force, to be clear). It lies flat on the ground. You lift one end…

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A:

Q: How much time is required for a elevator to lift a 2000 kg load up 28 m from the ground level, if…

A: Given data: Mass m = 2000 kg Distance from ground level d = 28 m Power P = 13 kW

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A: (a)The net force on the block is,

Q: The loaded cab of an elevator has a mass of 4.80 × 10³ kg and moves 227. m up the shaft in 27.0 s at…

A:

Q: A box of mass 25.0 [kg] slides down from the top of a surface inclined at 50.0◦ with height of 10.0…

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A:

Q: As an object moves from point A to point B only two forces act on it: one force is nonconservative…

A: We know that, when work is done it decreases the energy of the system. And also,  Conservative force…

Q: I need help with this homework problem.

A: Given Mass of the elevator m = 3.0 x 103 kg Distance travelled y = 245 m Duration t = 19 s

Q: The loaded cab of an elevator has a mass of 4.70 x 10° kg and moves 233. m up the shaft in 21.0 s at…

A: mass m=4.7*103 Kg displacement x=233 m time t=21 s To find: Power, P=?

Q: An advertisement claims that a 1000 kg car can accelerate from rest to a speed of 20 m/s in a time…

A: mass = 1000kg v1= 0m/s;    v2=20m/s t= 5sec. K.E1= 0  (car starts from rest) K.E2= (1/2)* 1000*…

Q: If a 1000 kg car is exiting a highway through an above-the-ground ramp of 5.0 m radius at 12 m/s,…

A: The given values are, m=1000 kgr=5.0 mv=12 m/s

Q: I attached the problem. Thank you

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Q: A horizontal spring has spring constant k = 100 N/m. How much work is required to compress it from…

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Q: A truck weighing 3.0 x 10^4 newtons was driven up a hill that is 1.6 x 10^3 meters long to anarea…

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Q: • A 1300-kg elevator is lifted at a constant speed of 1.3 m>s througha height of 22 m. How much…

A:

Q: In the figure, a constant force F of magnitude 84.0 N is applied to a 3.0 kg shoe box at angle p =…

A: this problem can be solved by work energy theorem  which states that work done is equals the change…

Q: Suppose that as part of their training, the football players of Luzon went up a stair in 66 s.…

A:

Q: A man pushes an 46-N crate a distance of 62 m upward along a frictionless slope that makes an angle…

A:

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Q: What average mechanical power (in W) must a 61.5 kg mountain climber generate to climb to the summit…

A: According to work energy theorem, the work required to climb the hill is,Substitute the values,

Q: The loaded cab of an elevator has a mass of 2.40 × 10° kg and moves 233. m up the shaft in 17.0 s at…

A: Given mass of a cab = 2.40 × 103 kg ddistance moved = 233 m time = 17 sec speed = constant We have…