yessir you read it right. Iv missed damn phsics way to much the past 2 weeks and im really lost on some harder kinematics questions and ill be mailing a silky 20$ bill to whoever can do it for me by tomorow nite 100% correctly with work. Its only 10 question and like 8 of them are short but i need somone legit to do them completely correct cos i need to fix my grade. And its highschool 12th grade phsics so anyone in college should be able to handlt this in ten minutes. So any takers? Ill send out the questions later tonite to whoevers positive they can do em perfect. Thanks
Do my 10 question phsics take home test for 20$
- Thread starter HERCULES.
- Start date
.AR6rider.
Active member
Well shit, for $20 I'll do it. How hard could it be?
mehhh the first 8 are cake i could prob get most of em right but the last 2 are legit confusing (to me atleast, im a simple guy) problems with alot of equasions that idk how to do at all. They'll be easy for anyone whos in college science or anything like that though. And i appriciate all the offers but i need someone who is like definite they can do this perfect. And "correct" is 100% right with the work for each problem shown lol
RubberSoul
Active member
just fyi i dont think you should send the money as cash in an envelope. just sayin
theblackrod
Active member
i'll help, send me a PMb
theblackrod
Active member
PM*
Shreddysaurus
Active member
PM gsteindorf, hes an aerospace engineer.
Anathema
Active member
horizontal component: vx = dx/t , where dx is the change in distance in the x direction, vx is the x component of the velocity of the projectile
vertical component: dy = vy*t - .5gt^2 , where dy is the change in distance in the y direction, vy is the y component of the velocity, and g is the acceleration of gravity
in both cases, t = time the projectile spends in the air and it is the same in both the x and y directions, as the time taken for the projectile to travel along the ground is intuitively going to be the same amount of time it spends in the air.
vy = vsin(angle) and vx = vcos(angle) , provided the angle was given between the horizontal plane and the trajectory of the projectile.
of course, i'm guessing that these physics questions have something to do with projectile motion, and it seems to be the number one thing most people have trouble with. from what i've given, cross out what you know, circle what you need to find, and rearrange equations to solve for the shit you've circled.
vertical component: dy = vy*t - .5gt^2 , where dy is the change in distance in the y direction, vy is the y component of the velocity, and g is the acceleration of gravity
in both cases, t = time the projectile spends in the air and it is the same in both the x and y directions, as the time taken for the projectile to travel along the ground is intuitively going to be the same amount of time it spends in the air.
vy = vsin(angle) and vx = vcos(angle) , provided the angle was given between the horizontal plane and the trajectory of the projectile.
of course, i'm guessing that these physics questions have something to do with projectile motion, and it seems to be the number one thing most people have trouble with. from what i've given, cross out what you know, circle what you need to find, and rearrange equations to solve for the shit you've circled.
zerospinskier
Active member
Yeah. For some reason bored NS kids love to answer math and physics questions for no reason. I bet you could have had all you answers by now for free if you would have posted the questions. Do it.
1.) Which pair of angles will give a launched projectile the same range? A. 15 degrees and 65 degrees, b. 75 and 15 degrees, c. 45 and 90 degrees, d. 35 and 65 degrees
2.) Never mind I know 2
3.) If a projectile has a launch angle of 30 degrees with an initial velocity of 10 m/s, then its range is most closely____? A. 9m, b.12m, c.1.3m, d.4.4m
4.) What is the term used to describe the maximum horizontal displacement? A. range, b. Maximum height, c. reach, d. horizontal velocity
5.) Which of the following is not an example of accelerated notion? A. vertical component of projectile motion, b. a swinging pendulum, c. earths motion around the sun, d. horizontal component of projectile motion
6.) How many seconds does it take a metal ball to drop from 200m from rest? A. 6.39sec, b. 4.28 sec, c. 8.58 sec, d. 7.29 sec
7.) The ____ is a vector attribute that can be directly calculated using the Pythagorean theorem. A. horizontal component, b. magnitude. c. vertical component, d. angle
8.) When a projectile is launched, it ____ on the way up and ____ on the way down. A. slows down; speeds up, b. speeds up; slows down, c. travels at constant velocity; speeds up, d. speeds up; travels at a constant velocity, e. slows down; travels at constant velocity
Alright these need the work to be shown. So I guess you can type out the work or maybe just write it neat with a pencil and take a pic and send it to me? Do whatever you want though just please include all work. Thanks
9) Lisa Leslie, power center of the Los Angeles Sparks, of the Woman’s National Basketball Association, tries to make a half- court jump shot, releasing the ball at the height of the rim of the basket. The ball is launched at an angle of 51 degrees while Lisa is 14.0 m away from the basket. Assume the height of the rim of the basket is 3.05m.
a) What initial velocity must Lisa give the ball?
b) What is the maximum height of the ball with respect to the ground? Hint- don’t forget the height of the rim from the ground
10) Superman is able to “leap tall buildings in a single bound.� Assuming Superman starts and stops on the ground, how high a building could superman jump over if he were to leave the ground with a speed of 60.0m/s at a 75 degree launch angle?
2.) Never mind I know 2
3.) If a projectile has a launch angle of 30 degrees with an initial velocity of 10 m/s, then its range is most closely____? A. 9m, b.12m, c.1.3m, d.4.4m
4.) What is the term used to describe the maximum horizontal displacement? A. range, b. Maximum height, c. reach, d. horizontal velocity
5.) Which of the following is not an example of accelerated notion? A. vertical component of projectile motion, b. a swinging pendulum, c. earths motion around the sun, d. horizontal component of projectile motion
6.) How many seconds does it take a metal ball to drop from 200m from rest? A. 6.39sec, b. 4.28 sec, c. 8.58 sec, d. 7.29 sec
7.) The ____ is a vector attribute that can be directly calculated using the Pythagorean theorem. A. horizontal component, b. magnitude. c. vertical component, d. angle
8.) When a projectile is launched, it ____ on the way up and ____ on the way down. A. slows down; speeds up, b. speeds up; slows down, c. travels at constant velocity; speeds up, d. speeds up; travels at a constant velocity, e. slows down; travels at constant velocity
Alright these need the work to be shown. So I guess you can type out the work or maybe just write it neat with a pencil and take a pic and send it to me? Do whatever you want though just please include all work. Thanks
9) Lisa Leslie, power center of the Los Angeles Sparks, of the Woman’s National Basketball Association, tries to make a half- court jump shot, releasing the ball at the height of the rim of the basket. The ball is launched at an angle of 51 degrees while Lisa is 14.0 m away from the basket. Assume the height of the rim of the basket is 3.05m.
a) What initial velocity must Lisa give the ball?
b) What is the maximum height of the ball with respect to the ground? Hint- don’t forget the height of the rim from the ground
10) Superman is able to “leap tall buildings in a single bound.� Assuming Superman starts and stops on the ground, how high a building could superman jump over if he were to leave the ground with a speed of 60.0m/s at a 75 degree launch angle?
Loco-Deer-Slayer
Active member
hahahah yeah man. The first one is simple subtraction. Just imagine a protractor... you got it.
arandomname
Active member
I think he was joking... I hope...
JTL
Active member
1.) Which pair of angles will give a launched projectile the same range? b. 75 and 15 degrees
4.) What is the term used to describe the maximum horizontal displacement? A. range
8.) When a projectile is launched, it ____ on the way up and ____ on the way down. A. slows down; speeds up
don't blame me if they are wrong. i am in high school physics now.
4.) What is the term used to describe the maximum horizontal displacement? A. range
8.) When a projectile is launched, it ____ on the way up and ____ on the way down. A. slows down; speeds up
don't blame me if they are wrong. i am in high school physics now.
Loco-Deer-Slayer
Active member
I don't know how to do these but I'm guessing if you put in a little effort these would be pretty easy to do.
Anathema
Active member
first, you need to find out how long he's in the air for.
d = vt - .5gt^2 where d = 0 because he starts on the ground, soars through the air, and lands on the ground , v = 60sin5
0 = 60sin75 - .5(9.81)(t)^2
t = sqrt ( (60sin75) / 4.9 )
t = 3.44
second, you need to find the maximum vertical distance during his flight.
intuitively, since he's shot from the ground, heads up, peaks, and dips back down (which takes a total of 3.44 seconds) we now know that he's at his peak at the 1.72s mark (the midpoint of his flight). so we can say that it takes him 1.72 seconds to reach his peak height.
using the same equation as in question 1, where this time we're solving for d:-
d = vt - .5gt^2
d = 60sin75 - .5(9.81)(1.72)^2
d = 43.5m
d = vt - .5gt^2 where d = 0 because he starts on the ground, soars through the air, and lands on the ground , v = 60sin5
0 = 60sin75 - .5(9.81)(t)^2
t = sqrt ( (60sin75) / 4.9 )
t = 3.44
second, you need to find the maximum vertical distance during his flight.
intuitively, since he's shot from the ground, heads up, peaks, and dips back down (which takes a total of 3.44 seconds) we now know that he's at his peak at the 1.72s mark (the midpoint of his flight). so we can say that it takes him 1.72 seconds to reach his peak height.
using the same equation as in question 1, where this time we're solving for d:-
d = vt - .5gt^2
d = 60sin75 - .5(9.81)(1.72)^2
d = 43.5m
yuck
Active member
8 is the dumbest fucking question i have ever seen
but seriously, do this yourself. im also in grade 12 physics this sem and none of this is too hard. dont wanna sound like im on a high horse or anything im just saying you can def handle it. and you will have to or else you will only fall further behind.
www.khanacademy.org
this is the answer to your prayers
but seriously, do this yourself. im also in grade 12 physics this sem and none of this is too hard. dont wanna sound like im on a high horse or anything im just saying you can def handle it. and you will have to or else you will only fall further behind.
www.khanacademy.org
this is the answer to your prayers