Calculate the force opposing the motion of the bus

Assignment Help Electrical Engineering
Reference no: EM13290392

The electric motor in a street car develops a power output of80 hp at 1200 rpm as the vehicle moves up a hill at a speed of 30mph. Assume the gearing losses are negligible, calculate:
(a) The torque developed by the motor.
(b) The force opposing the motion of the bus.

Reference no: EM13290392

Questions Cloud

Explain how many mls of titrant will be required : In a titration of 29.01 mLs of 0.211 M HCOOH (formic acid, Ka = 1.8x10-4) with 0.255 M KOH, how many mLs of titrant will be required to reach the equivalence point
Explain how the two methods are reconciled : What is the difference between the Direct Method and Indirect Method for calculating Cash Flow? Explain how the two methods are reconciled and also provide a brief description of each method.
What is the minimum runway length required : An aircraft takes off at 203 km/h after accelerating from rest at 2.14 m/s2. What is the minimum runway length required
Determine what is the charge deposited on the plane : A lightning bolt carrying 30,000 A lasts for 50 micro-seconds.If the lightning strikes an airplane flying at 20,000 feet, what is the charge deposited on the plane
Calculate the force opposing the motion of the bus : The electric motor in a street car develops a power output of80 hp at 1200 rpm as the vehicle moves up a hill at a speed of 30mph. Assume the gearing losses are negligible, calculate: (a) The torque developed by the motor.
Explain what is the rate constant for a reaction : the rate constant for a reaction is 7.7 x 10^-3 s^-1 at 25 C, and the activation energy is 33.6 kj/mol. what is k at 75C
Calculate the required motor power after it has reached rpm : A large reel of paper installed at the end of a paper machinehas a diameter of 1.8m, a length of 5.6m and a moment of inertia of4500 kg-m2. It is driven by a directly coupled,variable-speed DC motor turning at 120 rpm. The paper is kept undera con..
Which will lower overall expected rate of return of stock : A stock is expected to return 13% in an economic boom, 10% in a normal economy, and 3% in a recession. Which will lower overall expected rate of return of this stock?
Explain the microwave radiation has a wavelength : Suppose that the microwave radiation has a wavelength of 11.2cm . How many photons are required to heat 295mL of coffee from 25.0C to 62.0C

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Design and simulate a power supply that takes line voltage

Design and simulate a power supply that takes line voltage and produces a 15V output with less than .5% ripple voltage.

  Find what is the resulting terminal voltage on the starter

A car battery has an open-terminal voltage of 12 V and an internal resistance of 0.02 . If the car starter has a resistance of 0.10 in series with the batter, what is the resulting terminal voltage on the starter

  Compute the fading margin in gsm uplink

Consider a gsm uplink.the ms has 100 mw transmit power and the sensitivity of the bs receiver is -105 dbm.the distance between the bs and ma is 500 m.the propagation law follows the free space law up to a distance of dbreak=50m

  Find the laplace transform of a rectangular voltage pulse

Find the Laplace transform of a rectangular voltage pulse that is 0 V until time 0 s, then jumps to 5 V and stays there until time 2 ms, then returns to 0 V and stays there after time 2 ms. Hint: express the pulse in terms of unit step functions.

  Determine the time constants for transient rise and decay

For the Circuit shown below, V1=5V, R1= 20 kiloOhm, R2= 100kiloOhm, and C= 0.1 microF. Assume the switch in the circuit below has been open for a long time. At t=0, the switch is closed and at t=5 sec the switch is re-opened.

  Give description of transformer

Description of Transformer, An 11 kV to 415 V transformer has a rating of 100 kVA. The winding resistance and leakage reactance when referred to the secondary are 0.0142 Ohm and 0.0569 Ohm respectively

  Design a 4-bit serial equality comparator using jk flipflop

Design a 4-bit serial equality comparator. That is, if we have a3a2a1a0=b3b2b1b0, then eq=1. Note that a3a2a1a0 is stored at register 1, while b3b2b1b0 is stored at register 2.

  Determine size of solar cell that is need to power the lamp

Assuming that solar energy is used to charge a storage battery which then in turn is to power a lamp of 40W. Solar cell obtains power at the rate of 100milliwatts per square centimeter, and the sunlight time is 12 hours.

  Compute the volume of the discharged water per second

A hydroelectric dam has a penstock that discharges 10^5 kg/s of water. The head of the dam is 80m. a. compute the volume of the discharged water per second (flow rate). b. compute the power of the water entering the turbine

  Generate state table which should include binary numbers

a) Generate the State Transition Table, which should include the binary( ones and zeroes) values of the Flip Flop inputs which then enable you to determine next states based on current states. b) Draw the State Diagram for the system.

  Determine how many atoms per unit cell does it have

Polonium (Po) is the only material which forms a simple cubic crystal (i.e., it is not FCC or BCC) structure with atoms at the corner positions. It is a metal (but it is radioactive so it has very few engineering applications!). Its atomic number ..

  Find the modulation index and percentage of modulation

An AM transmitter radiates 9 kW of power when the carrier is unmodulated and 10.125 kW when the carrier is sinusoidally modulated. Find the modulation index, percentage of modulation.

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