04/08/18

a 1400kg car is driving at 24 m/s when the driver takes his foot off the gas, find friction force
a 1400kg car is driving at 24 m/s when the driver takes his foot off the gas. The car eventually rolls to a stop after 225m. Find the force of friction acting on the car.
Follows • 2
Expert Answers •1

04/08/18

I'm confused on this one too, understand whole section except this question could use some help thanks!
An X-ray tube used for cancer therapy operates at 3.66 MV with a beam current of 23.6 mA striking a metal target. Calculate the power of this beam.
Follows • 2
Expert Answers •1

04/08/18

any one can help me thank you that would be awesome!!!
    Two devices with capacitances of 21.9 µF and 7.6 microF are each charged with separate 120 V power supplies. Calculate the total energy stored in the two capacitors
Follows • 2
Expert Answers •1

04/08/18

Polynomial function of least degree having only real coefficients
Has a leading coefficient of 1, and zeros of 5 and 3+i
Follows • 2
Expert Answers •1

04/08/18

what is the domain of f(x)=1800-45x
please help I get confused on domain
Follows • 3
Expert Answers •2

04/08/18

hello there! I am struggling with this physics question and would appreciate help thank you!
Two devices with capacitances of 21.9 µF and 7.6 µF are each charged with separate 120 V power supplies. Calculate the total energy stored in the two capacitors.
Follows • 2
Expert Answers •1

04/08/18

Given the function f(x)=1/x
Given the function f(x)=1/x use 4 rectangles and evaluation on the left to aproximate the area ∫3 1/x  dx          2
Follows • 2
Expert Answers •1

04/08/18

A net charge of 74 mC passes through the cross-sectional area of a wire in 10 s.
a. What is the current in the wire? b.How many electrons pass the cross-sectional area in 1.0 min?
Follows • 2
Expert Answers •1

04/08/18

An ion is displaced through a potential difference of 80 V and experiences an increase of electrical potential energy of 20.61 ✕ 10-17 J. Calculate the charge o
his is my question if you help me that would be awesome thank you for your assistance :) CALCULATE CHARGE OF THE ION sorry lol
Follows • 2
Expert Answers •1

04/08/18

Velocity of stone after 4 sec
If a stone is thrown vertically upward from the surface of the moon with a velocity of 14 m/s, its height (in meters) after t seconds is h = 14t - 0.83t2. (Round the answers to two decimal... more
Follows • 2
Expert Answers •1

04/08/18

A right triangle has the following side lengths: x, x + 2 and x + 4. Find the length of the shortest side. x =
Next find the perimeter 
Follows • 3
Expert Answers •2

04/08/18

The reader can conclude that the speaker
“when my sins woke to shake me strong and when I face the certain grave it is my sins have made me brave in heaven beside the jasper sea the sins of Christ will pardon me” absolution by william... more
Follows • 2
Expert Answers •1

04/08/18

What is the difference between y= x^2+4 and y= x^2
Describe how the two functions are different 
Follows • 2
Expert Answers •1

04/08/18

If your starting salary is $50,000 and you receive a 4% increase at the end of every year, how much will you have in 16 years
 Round your answer to the nearest whole dollar, and express your answer without using commas.
Follows • 2
Expert Answers •1

04/08/18

Hannah says that -5/4 has the same quotient as 5/-4 . Do you agree? Why or why not?
Is -5 over 4 the same quotient as 5 over -4  
Follows • 2
Expert Answers •1

04/08/18

Have Republican legislators been more prone to cut NASA budgets than Democrats?
I'm talking historically, the 70s and 80s.
Follows • 2
Expert Answers •1

04/08/18

Simplify sec(x+pi)
 sec(x+pi)
Follows • 3
Expert Answers •2

04/08/18

what is the answer to this math question k=3r-7s
what is the answer
Follows • 1
Expert Answers •1

04/08/18

Physics Harmonic oscillators
I have been trying to use the Schrodinger equation to solve a harmonic oscillator problem, to find expressions for E and B. Just can't finish the end of it.I have the equation, which is... more
Follows • 2
Expert Answers •1

04/08/18

Slope intercept form
Write an equation of a line that has a slope of -7 and an initial value of -22 in slop intercept form
Follows • 2
Expert Answers •1

04/08/18

My understanding of fraction is that we are catering to part of a whole. Is that technically correct?
What i mean to ask is if a/b is the fraction a the numerator can take any value positive, negative or 0 whereas the denominator represented by b over here should always be positive as whole should... more
Follows • 2
Expert Answers •1

04/08/18

A well is most likely used to get drinking water from a river
This is from a science question 
Follows • 3
Expert Answers •2

04/08/18

he electric field between the plates of a parallel plate capacitor is horizontal, uniform, and has a magnitude E. A small object mass 0.0250 kg and charge -3.10
The electric field between the plates of a parallel plate capacitor is horizontal, uniform, and has amagnitude E. A small object mass 0.0250 kg and charge -3.10 µC is suspended in the field by... more
Follows • 2
Expert Answers •1

04/07/18

Please help with this question
We can use the formula r=√S/12.6 to relate a ball's surface area S (in square inches) to its radius r (in inches). Suppose a ball has a surface area of 415.8 square inches. What is its radius?
Follows • 2
Expert Answers •1

04/07/18

A square traffic sign has a perimeter of 12 feet. How long is each side
Area and perimeter: word problems
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.