# Posts by jake

Total # Posts: 2,241

**physics**

Physics force of friction question a shuffle board disk is accelerated to a speed of 5.8m/s and released. if the coefficient of the kinetic friction between the disk and the concrete court is 0.3, how far does the disk go before it comes to a stop?The courts are 15.8meters long

**psychology**

So you answered my question to tell me not to post it twice that was an accident...heres my question i need some help please, don't tell me to post again because it was by accident. Which color arrangement wouldcreate the deepest senseof space? A. red,orange,blue B. Green ...

**psychology**

Which color arrangement wouldcreate the deepest senseof space? A. red,orange,blue B. Green violet, blue C.Yellow, orange,yellow-orange D. Violet, blue-violet, red-violet What are the double split complement colors for blue-green?

**Psychology**

Which color arrangement wouldcreate the deepest senseof space? A. red,orange,blue B. Green violet, blue C.Yellow, orange,yellow-orange D. Violet, blue-violet, red-violet What are the double split complement colors for blue-green?

**5th grade math**

3.14

**american history**

Francis Cabot Lowell led a group of businessmen who? A. built a centralized textile factory in massachusetts B. ended that market revolution C. received the first state charter for a bank D. cashed in so many bank notes that they led to a panic in 1837

**physics**

i thought T was the total time dont you have to subtract it by the time of the angle to find the time of the fall

**physics**

Need help with short projectile motion question a ball is thrown up off the roof of a school at an angle of 55 degrees from the horizontal and at a velocity of 25m/s. how long before it hits the ground if it land 95meters from the base of the building? at what horizontal and ...

**math**

A parabola with a vertex at (–1, –2) passes through the point (1,6). Using this information, what are the x-intercepts of this parabola? A) (1 – , 0) and (1 + , 0) B) (2, 0) C) (0, 0) and (–2, 0) D) (0, 0) how would i figure this out?

**math**

how would i do this quadratic word problem A local daycare centre charges $65 per day to care for a child. The daycare currently cares for 150 children per day. A survey shows that the enrollment in the daycare will increase by 10 children for each $5 decrease in daily fee, ...

**math**

sorry i forgot to write math

**samuel**

how would i do this quadratic word problem A local daycare centre charges $65 per day to care for a child. The daycare currently cares for 150 children per day. A survey shows that the enrollment in the daycare will increase by 10 children for each $5 decrease in daily fee, ...

**5th grade**

37.68

**5th grade**

About 3. So your anwser would be A.

**physics**

would the formula for solving for time be vyf-vyi/a

**physics**

Short projectile motion question a peron kicks a football from 39.6 meters from the goal posts. the kcik leaves the ground with a speed of 24.8m/s at an angle of 49.6 degrees. the goal post are 3.10 meters high determine the amount by which the kick clears the goal posts

**physics**

projectile motion question need help working through it an airplane travelling 1001meters above the ocean at 125km/h is going to drop a box of supplies to shipwrecked victims below. a) How many seconds before the plane is directly overhead should the box be dropped b) what is ...

**Social**

Ia Rush Limbaugh, as carried on WBEN radio in Buffalo is an example of network programming and is All things Considered", as carried by WBFO in Buffalo is an example of network programming as well

**physics**

Short projectile motion question A German rocket from the second world war had a range of 3000meters reaching a maximum height of 1000meters. Determine the rockets maximum velocity

**math**

peter bought a bag of candy. He gave away ten percent of the candy too his wife and the gave three pieces to meg. he gave one forth of what he had left to his friend joe and then ate half of the remaining 18 peaces of candy. How many pieces of candy were originally in the bag?

**grade 12 trig**

cot 17= 3.2709 what does tan of 73 equal

**calculus**

Find the direction of A= <-5,12> I did arctan (12/-5) and added 180 because x was negative and got 105.13 degrees. I missed the question on the test though. What did I do wrong?

**math**

4 people need to cross a brige but it is dark outside and they only have one flashlight and only 2 people can cross at one time. doris takes 10 minutes bob takes 5 minutes jack takes 2 minutes and annie takes 1 minute. how can thay get across in 17 minutes. someone has to go ...

**Geometry**

ewe

**physics**

How do I go about in solving this? A spy satellite is in circular orbit around Earth. It makes one revolution in 6.01 hours. (a) How high above Earth's surface is the satellite? ___ km (b) What is the satellite's acceleration? ___m/s2

**physics**

(how do I go about solving this, i know i need to conver 88days to secs and that would be 126,720. but I don't where to go from there, help please) What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80 1010 meters. The ...

**phy sci**

hafe life

**physics**

can someone please take me step by step on this problem a swimers speed in still water is 1.35m/s if the current speed is 0.60m/s and the river is 106.68 meters wide. how long will it take to cross the river

**Physics.**

The figure below shows an arrangement of 15 identical disks that have been glued together in a rod-like shape of length L = 1.4500 m and (total) mass M = 135.000 g. The arrangement can rotate about a perpendicular axis through its central disk at point O. (a) What is the ...

**physics**

what do i do...

**physics**

can someone take me through this vector combination question please an airplane is observed to be flying at a speed of 600km/h. The planes nose points west. The winds velcoity is 40km/h 45degrees west of south. Find the air planes velocity relative to the ground.

**physics**

During a ski race, Kate uniformly accelerated at 3.15m/s^2 for 100meters. She then maintained this velocity for another 100m. she then uniformly decelerated at 6m/s^2 for 2 seconds. she accelerates back to her maximum velocity over the next 200meters in 16 seconds. she then ...

**physcis**

During a ski race, Kate uniformly accelerated at 3.15m/s^2 for 100meters. She then maintained this velocity for another 100m. she then uniformly decelerated at 6m/s^2 for 2 seconds. she accelerates back to her maximum velocity over the next 200meters in 16 seconds. she then ...

**physics**

Tried using a free fall set up with no luck. Things like (-9.8)(10.1)+43.3

**physics**

A balloonist, riding in the basket of a hot air balloon that is rising vertically with a constant velocity of 10.1 m/s, releases a sandbag when the balloon is 43.4 m above the ground. Neglecting air resistance, what is the bag's speed when it hits the ground? Assume g = 9....

**physics**

That reply was meant for a different question.

**physics**

I tried using free fall equations with no luck. I guess this isnt a free fall problem?

**physics**

need help decomposing theses vectors to x and y 52.9 meters at 19 degrees rectangular cor-ordinate system

**physics**

do i have to add anything like north of east since it did not give me a direction on the questions

**physics**

i got an answer of 50meters at 13degrees

**physics**

need help combining these vectors (if you can please show me a step by step guide of combining these two. Thank you 56m at 296 degrees, then 83m 152 degrees

**physics**

need help combining these vectors 56m at 296 degrees, then 83m 152 degrees

**physics**

finding the bearing of a vector? when i am giving a vector like 56 m at 296 degrees do i have to find a bearing of 296 degrees or is it only when i get something like 296 degrees south of east

**physics**

need a step by step process of combining this question into one vector: 56 NEWTONS at 296 degrees, then 83 newtons at 152 degrees

**Physics**

What is the difference in shape on a graph 70 degrees south of east and 70 degrees east of south?

**chemistry**

assume that you have a solution that is 5% (mol) acetone and 95% (mol) water. determine the molarity of this solution. how would you prepare a solution of this concentration in the lab? density of acetone=0.79 g/ml

**physics**

i need to determien the displa

**physics**

need help with doing this combining vector question A jogger runs with a velocity of 6km/h 25 degrees north west for 35 minutes and then changes direction , jogging for 20 minutes at 4.5km/h 65 degrees east of north. using a vector diagram determine the joggers total ...

**physics**

sorry i meant 70 degrees north of east and 70 degrees east of north

**physics**

what is the difference in shape on a graph between 70 degrees north of east and 70 degrees east of south

**physics**

need help with physcis vector problem Using combining vectors to find displacement problem(BEST answer)? tourist on a jet ski move 1.2km 55 degrees North of E and then 3.15km 70 degrees south of east. determine the jet ski's displacement.

**physics**

need help with this physics questions a jogger runs with a velocity of 6km/h 25 degrees north west for 35 minutes and then changes direction , jogging for 20 minutes at 4.5km/h 65 degrees east of north. using a vector diagram determine the joggers total displacement and his ...

**Re:its the end of the world...**

He means he didn't do "calculations"...

**geography**

cross country is to a skier as a what is to a runner

**geography**

swimming is to butterfly as what is to dressage

**geography**

a mountain is to a ski jumper as a what is to a diver

**geography**

A skull is to rowing as a what is to yachting

**physics**

A compact car and a trailer truck are both traveling at the same velocity. Which has more kinetic energy? 1. The trailer truck has more kinetic energy. The compact car has more kinetic energy. Both have the same kinetic energy.

**physics**

A 4.9 g marble is fired vertically upward using a spring gun. The spring must be compressed 8.0 cm if the marble is to just reach a target 29 m above the marble's position on the compressed spring. (a) What is the change in the gravitational potential energy of the marble-...

**Physics**

If two identical bowling balls are raised to the same height, one on Earth, the other on Mars, which has the larger gravitational potential energy increase? A)The bowling ball on Mars will have the larger gravitational potential energy. B)Both balls will have the same ...

**Chemistry**

List the following equilibrium solutions in order of decreasing free Ag+ concentration in mixture: 0.1M AgNO3, saturated AgCl, saturated AgBr, saturated AgI, Ah(NH3)2+, and Ag(S2O3)2 3-.

**physics**

is it 1.6m/s^2

**physics**

acceleration due to gravity questions when an object is dropped from a height of 10m above the surface of the planet z, it takes 1.2 seconds for the object to reach the surface. what is the acceleration of a falling object near the surface of the planet?

**Physics**

no... but apparently when an object is falling its acceleration is 9.81m/s^2

**Physics**

acceleration due to gravity questions Determine the time of fall when an object is dropped if the average velocity of the falling object was 12m/s?

**Physics**

acceleration due to gravity questions A rock is dropped from a height of 7meters a) what is the average velocity of the rock during its fall b) how long does it take the rock to fall

**Physics**

Physics 20 acceleration due to gravity questions An object is thrown downwards, hitting the ground with a velocity of 10m/s . it fell for 0.880seconds. At what velocity was the object released.

**Physics**

A rectangle with sides (a=1m) and (b=2m) has a set of discrete charges at the following locations: upper left: q =1nC lower left: q = 1nC lower right: -2q = -2nC Find the Coulomb force on a charge of q =1nC at the upper right hand side of the rectangle.

**Physics**

How would i find the total time spent decelerating on a velocity time graph? would it be the parts on the graph with negative velocity like -20m/s

**Physics**

is it the times where the slope is in the negatives like if it is at a velocity of -20

**Physics**

how would i find the total time spent decelerating on a velocity time graph

**Physics**

bob for the time lapsed would that be the total time spent? or am i supposed to subtract both times

**Physics**

How would i find the average velocity for certain points finding the average velocity between 0.2 hours and 0.4 hours object is at 20m at the 0.2 hours object is at 10km at rest at the 0.4hours

**Physics**

how to find the average velocity and speed for an entire postion time graph

**Physics**

How would i find the average velocity for certain points.? finding the average velocity between 0.2 hours and 0.3 hours object is at 20m at the 0.2 hours object is goes down(backwards) to 10m at the 0.3hours

**Chemistry**

Calculate the number of joules required to melt 57.4g of benzene at 5.5 degrees celsius? The heat of fusion for benzene is 9.87 KJ/mol and specific heat for liquid benzene is 1.63 J/g*deg)

**Physics**

But you do not need the frictional force to find the total work. Just the dragging force and the displacement.

**Physics**

Nate, the friction force is equal to mu*N, N is equal to mg-Fsin(31.1) not mg.

**chemistry**

A gas occupies 10 liters at standard conditions. What volume will it occupy at 20 degrees celsius and 700 torr?

**Physics**

A pilot stops a plane in 484 m using an acceleration of -8 m/s2. How fast was the plane moving before the breaking began? Thanks.

**Physics**

use the terms "displacement" and velocity to descibe how uniformly accelearted motion differs from unifrom motion

**Physics**

which answer is right

**Physics**

which ones right? Bobby or bobpursley

**Physics**

Describe the acceleration time graph of a car traveling forward and applying its brakes.

**shurley english**

What is way in Shurley?

**math**

How can i find the average Velocity and speed for a position time graph*

**Physics**

so would the average speed and velocity be the same thing

**Physics**

thank you verymuch

**Physics**

i thought slope is the change in y over the change in x

**Physics**

How can i find the averagee veloity and speed for a postion time graph

**social studies**

My question is about the American Indians and the Europeans. They signed treaties, forcing people off other people's land, and having wars. My question is.....Can you give me ideas about a question i could ask about this?

**math**

i am supposed to solve this word problem using system of quatino methods The annual cost of owning and opearting a car, C dollars, is a linear function of the distance, d kilometers, it is driven. C=md+b the cost is $4600 for 10 000km and $9100 for 25 000km. Determien the ...

**physics**

Help with physics graph sketch? sketch a postion time graph for a student stopping at the school, which 5km east of home how would the graph look like

**Economics**

I believe the answer is -349. Exports-imports

**physics**

i don't get how to find the time

**physics**

Need help with this short physics question there is a race betwen person A and person B. They both start at the same time, but B initial position is 10m left of peron A. person A travels 100 meters right in 20 seonds, Person Btravels 112.5 meters right in 15 seconds. what is ...

**Physics**

Two children on racing bikes start from the same refrence point. child A travels 5.0 meters per second right and child B travels 4.5 meters per second right. howmuch farther from the oint of origin is child a than child b after 5 seconds

**physics**

sketch a postion time graph for a student walking east with a constant velocity how would that look

**physics**

i am supposed to sketch a postion time graph for a bear starting at 1.2meters from a refrence point,walking slowly away at a constant velocity for 3 seconds stopping for 5 secods, backing up at hlad the speed for 2 seconds, and finally stopping. how would it look like on a graph

**physics**

i am supposed to sketch a postion time graph for a bear starting at 1.2meters from a refrence point,walking slowly away at a constant velocity for 3 seconds stopping for 5 secods, backing up at hlad the speed for 2 seconds, and finally stopping. how would it look like on a graph