Find the acceleration of the elevator

Assignment Help Physics
Reference no: EM1349930

Q. A group of hikers hear an echo 2.50 s after they shout. If the temperature is 28.0°C, how far away is the mountain that reflected the sound wave?

Q. A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 826 N.

As the elevator moves up, the scale reading increases to 941 N. Find the acceleration of the elevator.

Reference no: EM1349930

Questions Cloud

How high above the starting point does the pebble fly : Monochromatic light ( = 630 nm) strikes a pair of slits at normal incidence, forming a double-slit interference pattern on a screen located 1.20 m from the slits. It shows the interference pattern observed on the screen. What is the slit separatio..
Explain how would you design a specific customized : Explain how would you design a specific customized compensation plan for Agent-Principal.
Gathering information using cross indexed : Using data mining, it is possible to gather information which has been buried that can be manipulated and cross indexed which could be a valuable information gathering technique for entities.
Determine the meaof the numbers in the array : Determine the mean(average) of the numbers in the array, and output the reslt. Use a subprogram to input the numbers, a function to find the mean.
Find the acceleration of the elevator : A group of hikers hear an echo 2.50 s after they shout. If the temperature is 28°C, how far away is the mountain that reflected the sound wave.
Find the correct statement : Find the Correct statement. Suppose that all projects being considered have normal cash flows and are equally risky.
Illustrate what recording fee would you advise johnny : Illustrate what recording fee would you advise Johnny to demand from the record company.
Fundamental text retrieval tasks using hash-based indexing : In this paper three fundamental text retrieval tasks where hash-based indexing. Which task is more appropriate for a text based search retrieval? Provide reasons to support your answer.
Conflict management : Provide an explanation of the topics below and how they can be applied in a professional or personal setting.

Reviews

Write a Review

Physics Questions & Answers

  What is the force constant of the spring

When a potential difference of 140 V is applied to the plates of a parallel-plate capacitor, plates carry a surface charge density of 27 nC/cm2. What is the spacing between the plates.

  What horizontal force should her wrist exert on her hand

A 52.0 kg ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.0 turns each second. The distance from one hand to the other is 1.50 m. Biometric measurements indicate that each hand characterist..

  Compute the brewster’s angle and angle of refraction

Compute the Brewster’s angle and angle of refraction.

  What is the total work completed on the crate

Two 5000 kg passenger cars roll without friction (one at 1 m/s, the other at 2 m/s) toward one another on a level track. They collide, couple, and roll away together with the combined momentum.

  What is the spring constant

A professor's office door is 0.90 wide, 2.00 high, 4.00 thick; has a mass of 30, and pivots on frictionless hinges. A "door closer" is attached to door and the top of the door frame. When the door is open and at rest, the door closer exerts the torqu..

  What type of car was involved in the hit and run

What type of car was involved in the hit and run

  What are the phase difference between the waves

A spring with constant k=15 N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. it is then pulled down 6 cm and free. if the ball makes 30 oscillations in 20 seconds, what are its maximum speed.

  What is the frequency of vibrations

An airplane moves 140 m/s as it travels around the vertical circular loop which has a 1 km radius. What is the magnitude of the resultant force on the 70 kg pilot of this plane at the bottom of this loop.

  Suppose that the spinner slows down with constant

A 150 g ball and a 250g ball are connected by a 35{rm cm}-long, massless, rigid rod. The balls rotate about their center of mass at 150 rpm.

  What fraction of the total power is wasted in leads

Eight lights are connected in parallel to a 116 V source by two leads of total resistance 1.1. If 240 mA flows through each bulb, what is the resistance of each? What fraction of the total power is wasted in leads.

  What is the increase in temperature of bullet

Now suppose that the two masses continue to move at the speed from Part A until they encounter a rough surface. The coefficient of friction between the masses and the surface is . If the blocks come to rest after a distance, which of following equ..

  What is the radius r of the planet to two significant figure

Assume that, as lying on a beach near the equator of a far-off planet watching the sun set over a calm ocean, you start a stopwatch just as the top of the sun disappears.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd