Answer:
jk
Explanation:
Lets decompose the initial velocity into its components:
Vi = 2.25 m/s
Vix = Vi x cos(50)
Viy = Vi x sin(50) = 2.25 x sin(50) = 1.724
Then decompose the final velocity:
Vf = 4.65
Vfx = Vf x cos(120)
Vfy = Vf x sin(120) = 4.65 x sin(120) = 4.027
After that we can use:
Vfy = Viy + ay*t
ay = (Vfy - Viy)/t
ay = (4.027 - 1.724) / 8.33
ay = 0.276
Too easy:
100Ω/4 sec = 200Ω/t
t= 8 sec
and physics and physics and physics and physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physicsand physics
A. They change the motion of objects
Answer: 6.284N
Explanation:
Pressure is the ratio of force exerted to cross sectional area of the material.
Pressure = Force/Area
Pressure = 500,000Pa
Area = Πd²/4 where d is the diameter of the hole.
If d = 4mm = 0.004m
Area = Π×0.004²/4
Area = 1.26×10^-5m²
Force = Pressure×Area
Force = 500,000× 1.26×10^-5
F = 6.284N
The gum must be able to withstand 6.284N force
<h2>Answer:</h2>
Acceleration= -1.11 m/sec²
<h2>Explanation:</h2>
Date Given to us is
Mass = 150 kg
Time = 1.5 minutes = 90 seconds
Distance = 2500 meters
Initial Velocity = 120 m/s
Final Velocity = 20 m/s
Acceleration = ?
<u>Solution:</u>
By using First Equation of motion
Vf = Vi + at
Putting the values
20 = 120 + a (90)
Subtracting 120 on both sides
20-120 = 120 + a(90) - 120
-100 = 90 a
Dividing both sides by 90
-100/90 = 90 a / 90
-1.11 = a
So the acceleration is -1.11 m/s²