GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 18 Jan 2019, 04:12

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

## Events & Promotions

###### Events & Promotions in January
PrevNext
SuMoTuWeThFrSa
303112345
6789101112
13141516171819
20212223242526
272829303112
Open Detailed Calendar
• ### Free GMAT Strategy Webinar

January 19, 2019

January 19, 2019

07:00 AM PST

09:00 AM PST

Aiming to score 760+? Attend this FREE session to learn how to Define your GMAT Strategy, Create your Study Plan and Master the Core Skills to excel on the GMAT.
• ### FREE Quant Workshop by e-GMAT!

January 20, 2019

January 20, 2019

07:00 AM PST

07:00 AM PST

Get personalized insights on how to achieve your Target Quant Score.

# The kinetic energy K, in joules, provided by the mass of a particle m,

Author Message
TAGS:

### Hide Tags

SVP
Status: Preparing GMAT
Joined: 02 Nov 2016
Posts: 2033
Location: Pakistan
GPA: 3.39
The kinetic energy K, in joules, provided by the mass of a particle m,  [#permalink]

### Show Tags

24 Dec 2018, 11:10
00:00

Difficulty:

15% (low)

Question Stats:

83% (00:55) correct 17% (01:02) wrong based on 24 sessions

### HideShow timer Statistics

The kinetic energy K, in joules, provided by the mass of a particle m, in kilograms, with a velocity of v meters per seconds, is given by the equation K = $$\frac{1}{2}$$$$mv^2$$. If a particle had a velocity of 4 meters per second and a kinetic energy of 144 joules, then the mass, in kilograms, of this particle must be

A. 16
B. 18
C. 24
D. 44
E. 64

Source: Kaplan GMAT Math Workbook - Sixth Edition
Page# 307

_________________

Final days of the GMAT Exam? => All GMAT Flashcards.
This Post Helps = Press +1 Kudos
Best of Luck on the GMAT!!

Manager
Status: In last prep stage
Joined: 11 Jun 2017
Posts: 151
GMAT 1: 630 Q44 V33
GMAT 2: 680 Q47 V37
GPA: 3.2
Re: The kinetic energy K, in joules, provided by the mass of a particle m,  [#permalink]

### Show Tags

24 Dec 2018, 11:26
The kinetic energy K, in joules, provided by the mass of a particle m, in kilograms, with a velocity of v meters per seconds, is given by the equation K = $$\frac{1}{2}$$$$mv^2$$. If a particle had a velocity of 4 meters per second and a kinetic energy of 144 joules, then the mass, in kilograms, of this particle must be

A. 16
B. 18
C. 24
D. 44
E. 64

Source: Kaplan GMAT Math Workbook - Sixth Edition
Page# 307

Rearrange the equation:
m=2k/$$v^2$$.
Substitute:
m=2*144/16=18
Ans B
This seems to be a sub-600 question.
_________________

Thanks,
Ankit
Target Score:730+

If the post was useful,please send the kudos

Re: The kinetic energy K, in joules, provided by the mass of a particle m, &nbs [#permalink] 24 Dec 2018, 11:26
Display posts from previous: Sort by