Answer:
a.one atom of fluorine and two atoms of oxygen
Explanation:
hope it help
Answer:
General Formulas and Concepts:
<u>Physics 1 - Newton's Law of Motion</u>
- Gravity: 9.8 m/s²
- Static/Kinetic Friction Formula:
- Free Body Diagram
Explanation:
<u>Step 1: Define Variables</u>
<u>Step 2: Find Normal Force</u>
<em>See Attachment for FBD.</em>
- Substitute: Fg = (12 kg)(9.8 m/s²)
- Multiply: Fg = 117.6 N
- Redefine: Fn = 117.6 N
<u>Step 3: Find Kinetic Friction</u>
- Substitute: Fs = (117.6 N)(0.6)
- Multiply: Fs = 70.56 N
Answer:
A) = 0.63 m
B)This is approximately 0.21
Explanation:
Part A)
Now if spring is connected to the block then again we can use energy conservation
so we will have
so we will have
so total distance moved upwards is
Part B
Now the incline has a coefficient of kinetic friction μk. If the block, attached to the spring, is observed to stop just as it reaches the spring's equilibrium position, what is the coefficient of friction μk
KE = 8.75 – 10.78 * sin 41
This is approximately 1.678 J. This is the kinetic energy at the equilibrium position. For the block to stop moving at this position, this must be equal to the work that is done by the friction force.
Ff = μ * 10.78 * cos 41
Work = 0.5 * μ * 10.71 * cos 41
μ * 10.78 * cos 41 = 8.75 – 10.78 * sin 41
μ = (10 – 8.82 * sin 41) ÷ 8.82 * cos 41
μ = 1.678/8.136
μ = 0.206
This is approximately 0.21
mass of rock remains constant
Answer: a) speed = 3.45 × 10^-2 m/s
b) speed = 1.38 × 10^-1 m/s
Explanation: shown in the attachment