(a) Calculate the work done (in J) on a 1450 kg elevator car by its cable...

Question

Question

(a) Calculate the work done (in J) on a 1450 kg elevator car by its cable to lift it 39.0 m at constant speed, assuming frict

Answer 1

Answer #1

クm 억 1450leg orn α.cs elevat o- -l ore。 1-15시, (n.gn:(14.5リ(5.8)(39,) J 554131J, grovtah onal -10ve ~ or (55413 δ.t 5455)I co

Answer 2

Similar Homework Help Questions

1. Calculate the work done in kilojoules on a 1,146 kg elevator car by its cable...

1. Calculate the work done in kilojoules on a 1,146 kg elevator car by its cable to lift it 42 m at constant speed, assuming friction averages 135.9 N. 2. What is the cost of operating a 4.4 W electric clock for a year if the cost of electricity is $0.08 per kWh ? 3. Find the final speed for a skier in a downhill ski race who skies 80 m along a 24.7º slope neglecting friction if he or...
Suppose a 1350-kg elevator car is lifted a distance 41 m by its cable at a...

Suppose a 1350-kg elevator car is lifted a distance 41 m by its cable at a constant speed, assuming the frictional force on the elevator has a constant value of 1575 N. Calculate the work done on the elevator by its cable, in joules. Calculate the work done by the gravitational force on the elevator, in joules, during this process. Calculate the total work done on the elevator, in joules.
Energy & Work A elevator has 120505 J of work done on it to ralse it...

Energy & Work A elevator has 120505 J of work done on it to ralse it 5.7 m, how much force is needed to lift the elevator (and passengers) if it rising at a constant speed? Answer: 21141.23 N Check Correct Marks for this submission: 1.00/1.00. What is the mass of the elevator (and passengers) if it rising at a constant speed? ofAnswer: 120505 kg Check Incorrect Marks for this submission: 0.00/1.00

Use the worked example above to help you solve this problem. A 1.19 103-kg elevator car...

Use the worked example above to help you solve this problem. A 1.19 103-kg elevator car carries a maximum load of 7.40 102 kg. A constant friction force of 4.07 103 N retards its motion upward, as shown in the figure. What minimum power, in kilowatts and horsepower, must the motor deliver to lift the fully loaded elevator at a constant speed of 3.00 m/s? P = kW P = hp
An elevator car with a mass of equal to 800 kg is pulled upward at constant...

An elevator car with a mass of equal to 800 kg is pulled upward at constant speed. If the elevator moves a distance of 5m, how much work was done by the cable which pulls upward on the elevalor through that distance. 12 vg40000 The cable does no work, because there is no change in kinetic energy B. The cable does 40,000 J of work, because it must be equal to gain in potential energy The cable does more than...
I need all 3 questions please A box with mass 1 kg slides down an inclined...

I need all 3 questions please A box with mass 1 kg slides down an inclined plane for a distance of 1m. The inclined plane makes an angle of 30° with the ground. The coefficient of kinetic friction between the mass and the plane is 0.5. What is the work done by the friction force? Approximately +4.2) Approximately -4.2) Approximately -2.4) Approximately +2.4) From the choices given below. choose the correct magnitude and direction of the center of mass of...

Calculate the Amount of Work Done to Lift an Object and Cable Question We use a...

Calculate the Amount of Work Done to Lift an Object and Cable Question We use a rope with a linear mass density of 20 kg/m to lift a block of cement weighing 1000 kg 50 meters above the ground. The rope is 75 meters long but we need an additional 100 meters to secure the concrete block so it can be lifted safely. Find the total amount of work done (in kilojoules, remembering that (1 kJ = 1000 J). Do...
1. The force = 9 i + 12 j + 5 k acts on a...

1. The force = 9 i + 12 j + 5 k acts on a small object. If the displacement of the object is = 16 i + 10 j . Find the work done by the force using the scalar product . 2. A 25 kg chandelier is hanging from a cable in an elevator (have you ever seen a chandelier in an elevator?). What is the tension in the cable if the elevator that moves downward...
_10. You and your BFF (combined mass of 200 kg) are taking an elevator to your...

_10. You and your BFF (combined mass of 200 kg) are taking an elevator to your physics lecture. The elevator car has a mass of 1,600 kg. A constant friction force of 4,000 N retards the elevator's motion. How much power must the motor deliver to lift the elevator car and its passengers at a constant speed of 3.00 m/s? a. 6.49 x 104 W = 200kn P U b. 1.24 x 10 W c. 5.33 x 10 W d....

One kind of elevator has the elevator car hanging from a cable, which then passes over...

One kind of elevator has the elevator car hanging from a cable, which then passes over a pulley and connects to a counterweight, as shown in (Figure 1). The mass of a fully-loaded elevator (that is, the elevator and all its passengers) is 1850 kg , the mass of the counterweight is 1500 kg , and the pulley has a radius of 0.4 m and a mass of 400 kg . A motor drives the motion of the elevator by...