





Card 10 / 13:
projectile motion
motion of an object subject only to the acceleration of gravity

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Questions & Answers
A quantity having both magnitude and direction
Zubair
quality having both magnitude and direction
ZINA
How to calculate for overall displacement
Well, take Final PositionStarting position
Grant
speed per unit time is called velocity. it is a vector quantity
Mukulika
velocity is distances overall time taking,it is a vector quantity, the units is metre per second.
Samuel
frequency is rate at which something happens or is repeated. it is a vector quantity
mawuo
what is the difference between resultant force and net force
net force is when you add forces numerically I.e. the total sum of all positive and negative or balanced and unbalanced forces.
resultant force is a single vector which is the combination or addition of all x and y axes vector component forces in a system.
emmanuel
resultant force is applied to hold or put together an object moving at the wrong direction. in other words it repairs.
Andrew
Damping is provided by tuning the turbulence levels in the moving water using baffles.How it happens? Give me a labelled diagram of it.
A 10kg ball travelling at 4meter per second collides elastically in a headon collision with a 2kg ball.What are (a)the velocities and (b)the total momentum of the balls after collision?
a)v1 8/3s&v2 20/3s. b)in elastic collision total momentum is conserved.
Bala
multiply both weight which is 10*2 divided by the time give 4. and our answer will be 5.
Andrew
The displacement of the air molecules in sound wave is modeled with the wave function s(x,t)=5.00nmcos(91.54m−1x−3.14×104s−1t)s(x,t)=5.00nmcos(91.54m−1x−3.14×104s−1t) . (a) What is the wave speed of the sound wave? (b) What is the maximum speed of the air molecules as they oscillate in simple harmon
the question is wrong. if you need assistance with displacement I can help out.
Andrew
practical 1st year physics
allot of practicals, be specific with your topic and we can discuss.
Andrew
Whats the formular for newton law of motion
F=m×a
Where
F=force
M=mass of a body of an object
a=acceleration due to gravity
Abubakar
distance travelled per unit of time is speed.
Fahad
distance travelled in a particular direction it is.
Andrew
Speed is define as the distance move per unit time.
Mathematically is given as
Speed = distance/time
Speed = s/t
Abubakar
speed is a vector quantity. It is defined distance per unit time.It's unit in c.g.s cm/s and in S.I. m/s.It’s dimension is LT^1
Mukulika
v=ms^1
velocity=distance
time
Cleophas
(pa/v)(vb)=nrt
what is the dimension of a
Amraketa
velocity= displacement
time
Gold
Velocity = speed/time
Abubakar
what are evasive medical diagnosis?
If the block is displaced to a position y , the net force becomes Fnet=k(y−y0)−mg=0Fnet=k(y−y0)−mg=0 . But we found that at the equilibrium position, mg=kΔy=ky0−ky1mg=kΔy=ky0−ky1 . Substituting for the weight in the equation yields. Show me an equation of graph.
Shaina
where are you come from
Lida
simple harmonic motion defination
how to easily memorize motion equation
Maharam
how speed destrog is uranium
where can we find practice problems?
Source:
OpenStax, University physics volume 1. OpenStax CNX. Sep 19, 2016 Download for free at http://cnx.org/content/col12031/1.5
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