1-at the instant a gun fires a bullet horizontally, an identical bullet is dropped from rest vertically to the ground. which one hits the ground first? explain 2- what would be the trajectory of a projectile if gravity were zero?
1 they would both hit the ground at the same time. because in projectile motion x and Y are disconnected from each other. And in your scenario the only downward force is gravity. therefore because gravity acts on everything the same way, they would land at the same exact time 2 If gravity were zero then the bullet would carry on endlessly until air resistance stopped it
Maskowat Mahfuz, Me too. Of course, with UA-cam I guess I am. Thanks for the comment, and keep up with the physics! You might also like my new website: www.universityphysics.education Cheers, Dr. A
American Education system. Elementary School: "If you fire 3 shots, how many bullets does your Beretta have left in the clip?" Child: "That depends Teacher. Did you have one in the chamber before you loaded the clip?"
KevinHarper3DArtist, Bad joke, but thanks for the comment, and keep up with the physics! You might also like my new website: www.universityphysics.education Cheers, Dr. A
how is the xi zero ? shouldnt it be 50 ? since it was 50 meters far from the target ? or is it because our reference point is the man ? so we took the xi zero ?
How do you apply ballistic coefficient for bullets that have a longer time of flight where drag comes into play. Furthermore drag changes as the bullet slows.
To calculate Time Of flight of your givens, wouldn't you just take the rate of gravity being 9.81m/s and bullet drop being .03m .03/9.81 ToF = .003 sec ?? And so on for MV? What's all the other jargon for?
This should be titled: how your grandfather calculated bullet speed before chronographs.
simple and clear, excellent explanation professor thanks..
wow...it was really helpful and thanks to prof. Anderson, I aced my physics test..wishing he was my teacher too..
Bapuji M,
Thanks for the comment, and keep up with the physics!
You might also like my new website: www.universityphysics.education
Cheers,
Dr. A
@@yoprofmatt of course...
How the hell are you writing backwards!!!
He dint, he just mirrored the video in post. So the left side of his face is actually the right side of his face! :mindblow
I had a suspicion sorcery might be involved.
How does the class read it if he then flips it in post?
Grant video, really calm voice. thank you soo much
Probably just need more coffee.
Cheers,
Dr. A
1-at the instant a gun fires a bullet horizontally, an identical bullet is dropped from rest vertically to the ground. which one hits the ground first? explain
2- what would be the trajectory of a projectile if gravity were zero?
1
they would both hit the ground at the same time. because in projectile motion x and Y are disconnected from each other. And in your scenario the only downward force is gravity. therefore because gravity acts on everything the same way, they would land at the same exact time
2 If gravity were zero then the bullet would carry on endlessly until air resistance stopped it
I wish you were my teacher.
Physics is fun❤️
Maskowat Mahfuz,
Me too. Of course, with UA-cam I guess I am.
Thanks for the comment, and keep up with the physics!
You might also like my new website: www.universityphysics.education
Cheers,
Dr. A
@@yoprofmatt Hey matt couldnt find an email to contact you, but can the subscription for the university physics 1 and 2 be cancelled at any time?
American Education system. Elementary School: "If you fire 3 shots, how many bullets does your Beretta have left in the clip?" Child: "That depends Teacher. Did you have one in the chamber before you loaded the clip?"
KevinHarper3DArtist,
Bad joke, but thanks for the comment, and keep up with the physics!
You might also like my new website: www.universityphysics.education
Cheers,
Dr. A
Beretta pistols don't use clips.
@@lindsleycravensii2985 So what do they use ?
GREAT PHYSICS LECTURES !!! :))
instablaster.
every action has a equal and opposite reaction 3cm.
how is the xi zero ? shouldnt it be 50 ? since it was 50 meters far from the target ? or is it because our reference point is the man ? so we took the xi zero ?
emp and no scope.
How do you apply ballistic coefficient for bullets that have a longer time of flight where drag comes into play. Furthermore drag changes as the bullet slows.
yeah... idk man
2 imaginary numbers added together becomes real?
zero is a constinant? or is zero a infinite?
Wow, 2100 fps. That's really moving... must be a 5.7x23 round... can this be calculated into a scope reticle?
.22 Win Mag is pretty close to that as well.
I think these numbers are typical. Thanks for the comment.
Be safe.
Cheers,
Dr. A
Fun with arithmetic. Great for third graders.
if I meet a sound with the same sound what happens?
aₓ = 0? Did you maybe forget to mention you are shooting this bullet in a vacuum?
Uncle Nick,
Excellent point.
Great comment, thanks.
You might also like my new website: www.universityphysics.education
Cheers,
Dr. A
0 is prime or nutural?
0 is neither prime nor natural number
is he write backwards???
0.59
To calculate Time Of flight of your givens, wouldn't you just take the rate of gravity being 9.81m/s and bullet drop being .03m
.03/9.81
ToF = .003 sec ??
And so on for MV?
What's all the other jargon for?
.058
0
Backwards.