You've always wondered about the acceleration of the elevators in the101 story-tall Empire State Building. One day, while visiting New York,you take your bathroom scale into the elevator and stand on them. Thescales read 150 lb as the door closes. The reading varies between130 lb and 180 lb as the elevator travels 101 floors.Part AWhat is the magnitude of the acceleration as the elevator starts upward?Express your answer with the appropriate units.a =SubmitPart BValuea =ΠΑRequest AnswerSubmitWhat is the magnitude of the acceleration as the elevator brakes to a stop?Express your answer with the appropriate units.ValueUnitsRequest Answer?Units?의

Converting to SI units150 lb = 68.0 kg = 666.4 N130 lb = 58.967 kg = 577.8766 N180 lb = 81.65 kg =…

What is the magnitude of the acceleration as the elevator starts upward? Express your answer with the appropriate units. A a= Value Submit Request Answer Part B Units ? What is the magnitude of the acceleration as the elevator brakes to a stop? Express your answer with the appropriate units.

What is the magnitude of the acceleration as the elevator starts upward? Express your answer with the appropriate units. A a= Value Submit Request Answer Part B Units ? What is the magnitude of the acceleration as the elevator brakes to a stop? Express your answer with the appropriate units.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

You place tomatoes in the pan of a hanging spring scale and find that they weigh 2.9 lb. You measure the downward displacement of the scale's pan to be 1.2 in. What is the spring constant? Give your answer in lb/in. and in SI units.
The following figure shows the acceleration of objects of different mass that experience the same force. Suppose a0 = 6.0m/s^2. What is the magnitude of the force? Express the answer in two significant figures.
A person whose weight is 508 N is being pulled up vertically by a rope from the bottom of a cave that is 39.5 m deep. The maximum tension that the rope can withstand without breaking is 588 N. What is the shortest time, starting from rest, in which the person can be brought out of the cave? Number i Units +
Two forces act on a 2.90 kg object, the gravitational force and a second, constant force. The object starts from rest and in 1.20 s is displaced (4.10 3.30ĵ) m. Write the second force in unit vector notation. (Enter your answer in kg. m/s². Assume the gravitational force acts in the -ĵ direction.) kg. m/s² F
A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.1 m/s2. (a) If the tension in the cord is 91 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward acceleration of 2.1 m/s2? (a) Number Enter your answer for part (a) in accordance to the question statement Units Choose the answer for part (a) from the menu in accordance to the question statement This answer has no units° (degrees)mkgsm/sm/s^2NJWN/mkg·m/s or N·sN/m^2 or Pakg/m^3m/s^3times (b) Number Enter your answer for part (b) in accordance to the question statement Units Choose the answer for part (b) from the menu in accordance to the question statement This answer has no units° (degrees)mkgsm/sm/s^2NJWN/mkg·m/s or N·sN/m^2 or Pakg/m^3gm/s^3times
Blocks 1 and 2 are moving to the right on a frictionless surface by the tension TB = 36 N as shown. m1 = 2.0 kg, and m2 = 3.2 kg. What is the magnitude of the acceleration of block 2, in m/s²? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. m₁ TA m₂ TB
Elevator Design. You are designing an elevator for a hospital. The force exerted on a passenger by the floor of the elevator is not to exceed 1.60 times the passenger’s weight. The elevator accelerates upward with constant acceleration for a distance of 3.0 m and then starts to slow down. What is the maximum speed of the elevator?
You managed to pull a heavy crate up a ramp on a truck. The crate has mass 48 kg. You were pulling with 464 N of force along the ramp while the ramp made an angle of theta=29.5 degrees with the horizontal. The coefficient of kinetic friction between the crate and the ramp is 0.45. What is the acceleration of the crate along the ramp? FA
Tanjiro is driving a 1500 kg truck while pulling a trailer. His acceleration is 1 m/s2. Nezuko is inside the trailer which has mass of 2000 kg. Determine the force the truck is applying on the trailer. Ignore friction. Note: Answer should be in whole number. No unit is required for this question.
Mary applies a force of 77 N to push a box with an acceleration of 0.55 m/s2. When she increases the pushing force to 85 N, the box's acceleration changes to 0.71 m/s2. There is a constant friction force present between the floor and the box. (a) What the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box?
Moments after making the dreaded decision to jump out the door of the airplane flying at 10,682 feet, a skydiver's 85.4-kg body experiences 116 N of air resistance. The m/s?. magnitude of the skydiver's downward acceleration at this instant in time is Use the approximation g = 10 m/s?. LFBD skydiver small air res.png
A ball with mass 0.55 kg is thrown upward with initial velocity 5 m/s from the roof of a building 20 m high. Assume there is a force due to air resistance of magnitude directed opposite to the velocity, where 30 the velocity v is measured in m/s. NOTE: Use g=9.8 m/s² as the acceleration due to gravity. Round your answers to 2 decimal places. a) Find the maximum height above the ground that the ball reaches. Height: m b) Find the time that the ball hits the ground. Time: seconds