Determine by what factor is the speed of the car increased

Assignment Help Physics
Reference no: EM13534853

For a car moving at speed v, the force of air drag on the car is proportional to v^2 . Suppose the power output of the car is doubled, by what factor is the speed of the car increased? Justify.

 

 

Reference no: EM13534853

Questions Cloud

State final temperature of the mixture thermal equilibrium : A 32.1 g iron rod, initially at 23.0^C, is submerged into an unknown mass of water at 63.4^C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.4^C.What's the mass of water
Determine what is the current in each coil : a coil whose resistance is 60 ohms and one whose resistance is 40 ohms are connected in parallel to a 120-V line.  what is the current in each coil
Explain the maximum mass of ammonium bromide produced : If 5.00 g Br2 and 3.00 g NH3 react according to the equation below, what is the maximum mass of ammonium bromide produced. 3 Br2(l) + 8 NH3(g) ? 6 NH4Br(s) + N2(g)
What maximum height do they reach after their upward swing : In a Broadway performance, an 65.2-kg actor swings from a 4.50-m-long cable that is horizontal when he starts. What maximum height do they reach after their upward swing
Determine by what factor is the speed of the car increased : For a car moving at speed v, the force of air drag on the car is proportional to v^2 . Suppose the power output of the car is doubled, by what factor is the speed of the car increased
Explain the structural formula of 2-bromo-3 : Write the structural formula and other name of a) 2-bromo-3,3-dimethylhexane b) 3,3-dimethyl-1-heptyne
Determine how far does the box slide down the incline : A box is sliding down an incline tilted at an angle 14.0° above horizontal. The box is sliding down the incline at a speed of 1.70 m/s. How far does the box slide down the incline before coming to rest
Estimate the initial speed of the rock : A 0.26- rock is thrown vertically upward from the top of a cliff that is 32m high. When it hits the ground at the base of the cliff, find the initial speed of the rock
What is correct order of these three genes on xchromosome : In Drosophila melanogaster the recessive w allele confers striped when homozygous in females or hemizygous in males. The recessive vallele confers eyespot eye when homozygous in females or hemizygousin males. M and B formed some wild type females ..

Reviews

Write a Review

Physics Questions & Answers

  Determine the average angular acceleration of the wheel

A point on the rim of a 0.55 m diameter grinding wheel changes speed uniformly from 12 m/s to 20 m/s in 8.3 s. What is the average angular acceleration of the wheel

  Is the workdone by net force acting on faster-moving ball

Two balls of the same mass areaccelerated by the different net forces such that one ball gains avelocity twice that of the other ball in the process.

  Show that angular magnification m is also given by equation

Isaac Newton, having convinced himself (erroneously as it turned out) that chromatic aberration was an inherent property of refracting telescopes, invented the reflecting telescope.

  What is the charge in coulombs of the plastic rod

A glass rod is initially neutral. It is then rubbed against a silk cloth. Afterwards, the rod has a charge of +5.0 C, How many electrons did the glass rod lose or gain

  What is height of the image

What are (a) x component and (b) y component of a vector in the xy plane if its direction is 329° counter clockwise from the positive direction of the x axis and its magnitude is 9.0 m.

  At what rate should the current change

A 2.00-liter aluminum cylinder at 5°C is filled to the brim with gasoline at the same temperature. If the aluminum and gasoline are warmed to 59°C, how much gasoline spills out.

  How fast is the top of the tree moving

A dead tree is initially stationary and there is a 30.0-degree angle between the tree and the vertical. The roots finally give way and the tree topples to the ground (rotating on an axis that is parallel to the level ground and intersecting the ba..

  Question1jims dog sparky runs 450 northeast to a tree then

question1jims dog sparky runs 45.0 northeast to a tree then 70.0 west to a second tree and at last 25.0 south to a

  Find the final momentum and angular velocity of ball

compute the free energy DeltaG at 25 ^circ rm C for the nonstandard conditions at point B where the reaction quotient Q is 2.75 times 10^{-5}.

  Determine the height of the building

A 0.015 kg bullet traveling horizontally at 400.2 m/s strikes a 4.1 kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.2 m, how far from the table does the block hit the floor.

  How long will it take until the cars speed

A bat flying in a cave emits a sound and receives its echo 0.37s later. How far away is the cave wall? (Hint: The sound has to travel to the wall and then back again. Use 340 m/s for the speed of sound.)

  What would be the weight of the spherical mass

What would be the weight of the spherical mass at that location? Round your answer to the nearest tenth decimal place and give your answer in the form "a.bc x 10^(y)" N.

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