Answer:
Explanation:
Angular momentum is calculated as:
L = I * ω
The inertia of the disc is:
So, the angular momentum is:
Answer:
a rock of 50kg should be placed =drock=0.5m from the pivot point of see saw
Explanation:
τchild=τrock
Use the equation for torque in this equation.
(F)child(d)child)=(F)rock(d)rock)
The force of each object will be equal to the force of gravity.
(m)childg(d)child)=(m)rockg(d)rock)
Gravity can be canceled from each side of the equation. for simplicity.
(m)child(d)child)=(m)rock(d)rock)
Now we can use the mass of the rock and the mass of the child. The total length of the seesaw is two meters, and the child sits at one end. The child's distance from the center of the seesaw will be one meter.
(25kg)(1m)=(50kg)drock
Solve for the distance between the rock and the center of the seesaw.
drock=25kg⋅m50kg
drock=0.5m
Answer: a. the code name for the Allied invasion of Normandy
Explanation: The operation Overlord is the code name for the invasion of Normandy, an Allied operation that launched the successful invasion of German-occupied Western Europe during WW II. This operation took place in 1944, and started with the Nornamdy landings, that are knowed as the D-day
The correct option is a: the code name for the Allied invasion of Normandy
Answer:
The value is 
Explanation:
From the question we are told that
The first position of the fulcrum is x = 49.7 cm
The mass attached is 
The position of the attachment is 
The second position of the fulcrum is 
Generally the sum of clockwise torque = sum of anti - clockwise torque
So
Here CWT stands for clockwise torque
So
=> 
=>
