# Math/Physics

208,687 results, page 63

### PHYSICS

--------------A /l\ / 1 \ / 1 \ / 1 \ 1 B C the pendulum has a string of .075m. velocity at c is 3.83m/s how do i find the speed at point b when the angle of B and C is 37 degree

### physics

calculate angular momentum and rotational kinetic energy of earth about its own axis

### physics

At what rate is a 60.0-kg boy using energy when he sprints up a flight of stairs 10.0 m high in 8.00 s? A. 75.0 W B. 48.0 W C. 735 W D. 480 W E. 4.80 kW

### PHYSICS

a stone of mass 0.5kg is drop from a height of 12m. calculate; it's kinetic energy. (g=10m/s2).

### physics

How do you draw a force diagram for an object that is tied to a pole and is moving in a constant circular direction?

### Physics

Efficiency of a single fixed pulley is 85%.what effort is needed to lift a load of 85kgf using it?

### physics

what is the work done in moving a positive charge 12UC across two points 6cm apart

### Physics

4. Find the magnitude of the force between two charges Q1 = 3µC, Q2 = 2.5µC that are 50mm apart.

### Physics

6. Two charges, Q1 = 4.6x10-9 C and Q2 = 4.3 x10-9 C, are 60mm apart. What is the electric field halfway between them?

### physics

A rock is dropped from a height of 2 meters into a freshwater pond. What is the medium of the wave created?

### Physics 20

A vehicle is involved in a collision that produces a -1500 n net force. what is the acceleration of the 75.5 kg passenger in the car?

### Physics

Describe the structure of an atom, the quantised shell model and how it produces absorption and emission spectra.

### Physics

How fast would you need to be travelling relative to an observer in order for them to see a 15% increase in your mass?

### Physics

An 1800 kg helicopter rises with an upward acceleration of 2.0 m/s2. What lifting force is supplied by its rotating blades?

### PHYSICS

A MACHINE HAS A VELOCITY RATIO OF 5 HAS AN EFFICIENCY OF 40.WHAT EFFORT WOULD BE NEEDED TO LIFT A LOAD OF 100N?

### Physics

how much work is needed to raise a 6.0 Kg object14.0 m at constant speed?assume that friction is negligible.

### Physics

Given the following vectors: A = (28, 110°) B = (63, -30°) Determine A + B. Specify the sum as both Cartesian and polar.

### Physics

if the body describes a vertical circle then the minimum velocity at angle theta from lowest position is

### physics

a particle moving on a circlehas a velocity of m/s and normal acceleration of 10m/s2.determine the radius of the circle.

### Physics

The length of wire is 25.5cm and it's radius is 1.02mm. Calculate the percentage error in mesurement of its volume

### physics

What is the magnitude of force required to accelerate a car of mass 1.7 Ã— 10Â³ kilograms by 4.75 meters/secondÃ†?

### Physics

A ball travels 200cm in the first 2sec and 220cmin the next 5sec. Find the velocity at 7s

### Physics

if a machine is capable of accelerating at a constant speed of +20.0m/s^2 calculate the time required for it to go from -5.00m/s to +55m/s

### Physics

What is the force needed to start a 100 kg block sliding on a horizontal if the coefficients for static and kinetic are 0.75 and 0.5

### physics

a boy travel 5km east and then12 km south.calculate his displacement from starting point.

### Physics

A solid weigh 45N and 15N respectively in air and water. Calculate the relative density

### AP Physics

What minimum speed does a 130 g puck need to make it to the top of a 3.8 m -long, 23 ∘ frictionless ramp?

### Newtonian physics

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...

### Physics

This is a very confusing problem, I had never taken physics before and it is going to kill my GPA. can someone please help me solve this problem. I have a quiz coming up. Thanks for the help. The flywheel of an old steam engine is a solid homogeneous metal disk of mass M = 137...

### physics

When there is no air resistance objects with different masses fall with....... A. equal accelerations and different displacements B. equal accelerations and similar displacements C. different accelerations and similar displacements D. different accelerations and displacements ...

### Math and Music

I have to do a presentation on how math and music relate. I have found some things and facts but everything is so complicated. If someone could help explain to me how I can narrow my topic down and make a presentation that is simple but effective. It can be anything within the...

### math

Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students? would this be 10, because of 5 * 4 * 3 / 3 * 2 * 1?

### math

Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students? would this be 10, because of 5 * 4 * 3 / 3 * 2 * 1?

### Film and Physics

I am doing a paper that entails my knowledge of physics to prove errors in the movie Transformers. There is one scene in the movie where Shia (Sam, the hero) falls in Optimus Prime's hand, from around 20 stories high. Obviously Sam should ooze out of Prime's hand, but of ...

### Physics please clarify

Posted by Mary on Monday, September 3, 2007 at 12:40pm. download mp3 free instrumental remix A charge of +2q is fixed to one corner of a square, while a charge of -3q is fixed to the diagonally opposite corner. Expressed in terms of q, what charge should be fixed to the center...

### Physics

A space station, in the form of a wheel 197 m in diameter, rotates to provide an “artificial gravity” of 2.5 m/s2 for persons who walk around on the inner wall of the outer rim. The rate of the wheel’s rotation in revolutions per minute that will produce this effect is ...

### math

Jeremy surveyed students at his school for his math project. When he analyzed the results, 38 students, or 18% of those surveyed, selected hamburgers as their favorite food. How many poeple did Jeremy survey for his math project? (Round your answer to the nearest whole number...

### math

How do you solve a division problem using subtraction? (3rd grade math)

### math

any good websites that explains everything about radians for gr12 math?

### math

whats the math term for this following definition.......(a symbol for an unknown number?)

### math

unscamble the word: ripem , phase , and clamidd into math words

### MATH ELE.

What is the difference between combination snd permutations in Elementary math??

### math

use propertise and mental math to find the value. 19+(28+21) 3 times 270 (86+27)+3

### math

I have a math problem, and it says to explain what units my answer has. What does that mean?

### math

how much will the value change? its 4th grade math please help?? 7,564 = 2

### Math

I have math fractions to add. I never went over these ,so please help. 7/8 + 3/4 + 15/24= 5/9 + 6/7= 4/5 + 11/15 + 17/30 = 1 7/8 + 2 11/16 =

### math

Please can someone help me with my math homework I just really don't ge it. I'm in a panic. Thank you Sarah

### Math

Please help in unscrambling the following math vocabulary: TSREECVI DYNRCEIL YESHENOTUP Thanks!

### 9th grade Math

I need help in creating 3 Math problems that has to do with Baseball. Does anyone know how to or websites to help me...

### math

amy sloved 3/5 of her math problems and had 24 left to do. how many problmes did she solve ?

### Math - Trigonometry

Math - Find the amplitude, period, phase shift - y=cosPi/2 (x+1/3)

### math

is this site free and you help my child with her math? she having a hard time with this subject

### math

I am doing pre algabra math and I am in 7th grade I need help to simplify the expression

### math

I need help on this math problem Solve the systems of equations by elimination. -2x+y=7 6x+12y=24

### Math

If class starts at 11:50 and lasts 1 hour 40 min how do you write a math equation?

### math

i really need help in math. im just in 6 grader and i don't understand this' 24x - 10 = 18x - 4

### math

five times the sum of a number and four into math expression

### MATH

If y= ab, then b= a+b A line goes under ab. Please help, I have not taken math in many years.

### math

Your math class has 27 students. There are 12 seniors and the rest are juniors. What is the senior-to-ratio?

### Math

Math riddle worksheet "did you hear about" 20 boxes Answer ASAP

### math

vina has the following grades in math 88,85,89,95 and 91.What must be her sixth grade if she wants to get an average of 90?

### Math

In my math book I got a question saying 1\5 times 8/9. My answer is 1\5 am I correct.THANKS

### Math

The math problem is set up as a fraction in parenthesis 6 over 4. Evaluate the expression (6/4)

### Math

Simplify. (82 - 60) + [(-3 x 4) - 36÷4] 25 19 10 1 <- I think this one is right I really hate math!!! lol...

### math

Jessica says she can add 1/3"2/6"3/9"4/12"and 5/15 together using mental math.Explain how she can do this.

### math

I don't understand how to multiply rational expressions. My math book isn't helping at all.

### math

How would I show my work to the math problem? 6 friends share 4 pear?

### Math

How many questions are on the 9th grade math scantron performance series test?

### Math

What is the best way to use mental math to multiply (5x18)x20?

### math,geography,agriculture,life sciences

What careers can I enroll without math??

### math

i need to keep my a+ in math, and finish my homework TONIGHT. What is 5/8, 5/9, and 5/10 in least to greatest.

### math

Ms. Sue I have a question. For this math problem: Name a fraction between 1/4 and 5/16 how do I do that

### math

I need help with math 12 5/8+6 3/8+5 2/3= they must have coming denominator like 24 = The answer

### math

I need help solving this math problem I am so lost when it comes to these problems. Which is the difference of 25 1/8 - 12 3/4

### Math

Bobby has a 95 in his math class. He had a test and got a 83 on it. What is his grade now?

### math 8th grade

How do you prepare for a math test?? Please help me i don't understand the question.

### Math (connexus)

has anyone done the math quiz for unit 5 lesson 5 for 7th grade because i need help

### Math

Find the lower, upper and interquartile range 20,22,25,28,29,30,32,33,34 Math is not my best subject.

### Math

How many letters in the word MATH have more than one line of symmetry?

### Physics

This is based off of the paper "Scaling -- The Physics of Lilliput", but I think the following questions can be answered out of context: 1. Based on the Lilliputian reading: A) A rectangular water tank is supported above the ground by 4 pillars 5.0 cm long whose diameters are ...

### math

wat is dilation in math during moving or changing a figure

### math

Find the slope of 0,0 3,5 please help i stink at math rise = 3 run = 5

### math

math question>>estimate answer to: 98+46 tell the strategy you use

### math

use mental math and the distributive property to simplify 25(-99)and 19x21

### 6th Grade Math

I need a little help on math. It has to do with kilograms and weight.

### Math

Can someone pls help me with this math problem... 3 1/15 - 3 11/30? I think the answer might be 3/10?

### math

i've got a question in my math its wanting to know why is the 1 called the multiplicative identity

### math

how do i do this math problem? use the defintion f^1(a) = lim as h heads toward 0 {f(x)-f(a)} / (x-a)

### math

math is a hard thing for me sometimes and i need help with the question 5% OF 36 PLEASE HELP!

### math

trying to unscrable the letters jeatdcn into a math word

### Basic College Math

What numbers in a math problem adds up to 331/3?

### Math

what page in the 8th grade texas math book is the let,if,then problems.

### math

what does term "factor each expression" mean in 8th grade math?

### math

Please help me I am confused on this math problem. solve. y/8-8/y=0 what are the solutions? Wouldn't they be 0?

### math

Fill in the correct math operations only once (+, -, *, /) 8_2_1_3_4=5

### Math

Evaluate the expression using mental math. Justify each of your steps. 1) 4(19)(-25) 2) 17+32+23

### math

Writing in math, how can estimating help you add two-digit numbers?

### math

How did your past experiences affect your attitudes toward math in general?

### math

i need to unscramble these math words icarlafto untoegrnc enitmelgen