The angular speed of an automobile engine is increased

Assignment Help Physics
Reference no: EM13648912

The angular speed of an automobile engine is increased at aconstant rate from 1200 revs/min to 3000 revs/min in 12 seconds.(a) What is the angular acceleration in revs per minute-squared.(b) How many revs does this engine make during this 12 secondinterval.

Reference no: EM13648912

Questions Cloud

How much does the spring shorten : A 5.00-kg partridge is suspended from a pear tree by an ideal spring of negligible mass. How much does the spring shorten
Depict major organic product of the regioselective reaction : Draw the major organic product of the regioselective reaction of 2-methyl-2-pentene with Hg(OAc)2 in presence of H2O. In your answer draw the expanded structure for the acetyl group (Ac). Ignore stereochemistry.
What is the moment of inertia of the fan : When a ceiling fan rotating with an angular speed of2.70 {\rm rad/s} is turned off, a frictional torque of0.140 {\rm N \cdot m} slows it to a stop in 25.5 {\rm s}. What is the moment of inertia of the fan
Estimate what is the mass of the planet newtonia : On the planet Newtonia, a sample pendulum having a bob with mass 1.25 kg and a length of 185.0 cm takes 1.42 s, What is the mass of the planet Newtonia
The angular speed of an automobile engine is increased : The angular speed of an automobile engine is increased at aconstant rate from 1200 revs/min to 3000 revs/min in 12 seconds.(a) What is the angular acceleration in revs per minute-squared.(b) How many revs does this engine make during this 12 secondin..
Evaluate the mole fraction of n2o(g) in the mixture : A mixture containing 0.232 mol He(g), 0.163 mol H2(g), and 0.161 mol N2O(g) is confined in a 22.00 L vessel at a constant temperature. The total pressure is 1.16 atm. Calculate the mole fraction of N2O(g) in the mixture.
How fast was the car going when it left the cliff top : A car drives straight off of a flat 79m high cliff. If the carlands 64m from the base of the cliff, then how fast was the car going when it left the cliff top
Evaluate what is the velocity of each ball : Two balls, a and b, are suspended next to each otheron two 30 cm string. (hanging there, just touching). What is the velocity of each ball after the elastic collision
What inductance should bepresent in the circuit : An RLC circuit is used to tune a radio into an FM stationbroadcasting at 88.5 MHz. Theresistance in the circuit is 12.0 Ω and the capacitance is2.80 pF. What inductance should bepresent in the circuit?

Reviews

Write a Review

Physics Questions & Answers

  How much has the rockets kinetic energy increased

A 3kg model rocket initially at rest experiences an average force of 3950N over a distance of 200 cm. How much has the rockets kinetic energy increased

  Two particles each have a mass-one-half its initial value

Two particles each have a mass of 5.80 10-3 kg. One has a charge of +5.0 10-6 C, and the other has a charge of -5.0 10-6 C. They are initially held at rest at a distance of 0.70 m apart. Both are then released and accelerate toward each other. How fa..

  What beat frequency do the violinists hear

Two violins are supposed to be playing concert A, at 440 Hz [{\rm Hz}], What beat frequency do the violinists hear

  What is the radial acceleration of the blade tipexpressed

A model of a helicopter rotor has four blades, each 3.60 m in length from the central shaft to the bladetip. What is the radial acceleration of the blade tipexpressed as a multiple of the acceleration due to gravity,g?

  Find out the time for the bullet-block system

A 21 kg solid door is 220 cm tall, 94 cm wide. What is the door's moment of inertia for rotation about the vertical axis inside the door, 17 cm from one edge.

  Explain how many meters will the car have moved

A child suddenly runs into the street. If it takes the driver 0.80 s to react and apply the brakes, explain how many meters will the car have moved before it begins to slow down?

  Estimate what does it weigh on the moon

The acceleration due to gravity on the Moon's surface is one-sixth that on Earth. What does it weigh on the moon

  Whats the maximum speed the car can attain during this time

a 930 kg electric car uses a 270 v battery pack. as the car accelerates from rest 360 c flows from the battery.whats

  Develop a general equation relating n1 and n2the moles or

gas at constant t and p is contained in a supply line connected through a valve to aclosed tank containing the same gas

  What is the energy of the subsequent oscillations

A string of length L, which is clamped at both ends and has a tension T, is pulled aside a distance h at its center and released. What is the energy of the subsequent oscillations

  When does the signal get to the rear of the ship in s

A rocket ship of proper length l0 trav- els at constant speed v in the x-direction relative to a frame S. The nose of the ship passes the point x = 0 (in S) at time t = 0

  Find its linear speed and angular speed

A uniform metal ball of mass 31g and radius 1.4cm rollsdown(without slipping) a slope of height 32cm from rest. Find its linear speed and angular speed

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