Find what is the average power of the elevator motor

Reference no: EM13511422

A 650 kg elevator starts from rest. It moves upward for 4.50 s with constant acceleration until it reaches its cruising speed, 1.75 m/s.

(a) What is the average power of the elevator motor during this period?

(b) How does this power compare with the motor power when the elevator moves at its cruising speed?

Pcruising = W

Reference no: EM13511422

Questions Cloud

Evaluate the average power delivered to the train : The electric motor of a model train accelerates the train from rest to 0.820 m/s in 18.5 ms. The total mass of the train is 875 g. Find the average power delivered to the train during the acceleration

What is jason interest income for 2012 : What is the total amount of interest Jason's Deli earned from the loan to Mark Johnson?

Depict an oxygen consumption cruve for a suspension : Draw an oxygen consumption cruve for a suspension of isolated mitochondria when the following compounds are added in the indicated order. With the addition of each compound all of the previously added compounds remain present

How a peptide bond is made through dehydration : Create an original diagram or series of simple diagrams- Label the primary, secondary, tertiary, and quaternary structures in your diagrams.

Find what is the average power of the elevator motor : A 650 kg elevator starts from rest. It moves upward for 4.50 s with constant acceleration until it reaches its cruising speed, 1.75 m/s. What is the average power of the elevator motor during this period

Prepare journal entries for jeppo farm equipment company : Assuming Lujan Brothers Farm fulfills all the terms of the note, prepare the necessary journal entries for Jeppo Farm Equipment Company for the entire term of the note.

What is the magnitude of the net force on the rotor : The ultracentrifuge is an important tool for separating and analyzing proteins in biological research. If the samples are 11 cm from the axis if the rotor and the ultracentrifuge spins at 6.5×10^4 rpm, what is the magnitude of the net force on the ..

Compute the ph after the following volumes of titrant : Consider the titration of 30.0 mL of 0.035 M NH3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant have been added.

Prepare the journal entry to record bad debt expense : Recording Bad Debts Sandel Company reports the following financial information before adjustments. Prepare the journal entry to record bad debt expense.

User Account

All Pages