1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
pogonyaev
2 years ago
5

A rod of length 0.82 m, rotating with an angular speed, 4.2 rad/s, about axes that pass perpendicularly through one end, has a m

ass of 0.63 kg, which is distributed uniformly along its length. Find the kinetic energies of the rod.
Physics
1 answer:
mariarad [96]2 years ago
5 0

Answer:

Explanation:

KE = ½Iω²

ΚΕ = ½(mL²/3)ω²

ΚΕ = ½(0.63(0.82²)/3)4.2²

ΚΕ = 1.24541928

KE = 1.2 J

You might be interested in
Which term describes the increase in a material's volume due to an increase in temperature?
AlladinOne [14]
Thermal Expansion.  best describes the increase in a materials volume 
7 0
3 years ago
Read 2 more answers
Alexandra is attempting to drag her 32.6 kg golden retriever across the wooden floor by applying a horizontal force. What force
vichka [17]

Answer:

230.26 N

Explanation:

Since the speed is constant, acceleration is zero hence the net force will be given by the product of mass, coefficient of friction and acceleration due to gravity

F=0.72*32.6*9.81=230.26 N

7 0
3 years ago
Suppose you were digging a well into saturated sediments. Why is the sediment’s permeability an important factor in deciding whe
zloy xaker [14]

Answer:

The importance of the sediments permeability is that if it is permeable, water will flow easily through the sediment and thereby produce a very good supply of water for the well.

Explanation:

When digging a well into saturated sediments, the possibility of the sediment with either little saturation or full saturation being able to provide steady water supply will be limited by how permeable it is. Now, the importance of the sediments permeability is that if it is permeable, water will flow easily through the sediment and thereby produce a very good supply of water for the well.

4 0
3 years ago
An ion has unequal numbers of which two particles?
Scrat [10]
Protons and electrons
7 0
3 years ago
You can enter compound units that are combinations of other units that are multiplied together. to enter the ⋅ explicitly, type
alexdok [17]

Answer:

30 N \cdot m

Explanation:

The torque applied by a force can be calculated as

\tau = F d sin \theta

where

F is the magnitude of the force

d is the length of the arm

\theta is the angle between the direction of the force and the arm

In this problem, we have

F = 15 N

d = 2.0 m

\theta=90^{\circ}

Substituting into the equation, we find

\tau = (15)(2.0) sin 90^{\circ}=30 N \cdot m

7 0
3 years ago
Other questions:
  • A projectile is launched at an angle into the air at velocity v and angle θ. Determine its vertical acceleration.
    5·1 answer
  • Which is not a unit of volume
    13·1 answer
  • A bottle with a volume of 193 U. S. fluid gallons is filled at the rate of 1.9 g/min. (Water has a density of 1000 kg/m3, and 1
    13·1 answer
  • Which statement best compares the momentum of a 5-kilogram fish swimming at a speed of 10 meters/second and a 2-kilogram fish sw
    5·2 answers
  • Which of the following chemical equations demonstrates that atoms are conserved during a chemical reaction?
    8·1 answer
  • An object is placed in front of a convex lens of a length 10cm. What is the nature of the image formed if the object distance is
    6·1 answer
  • A wheel starts from rest and has an angular acceleration that is given by α (t) = (6.0 rad/s4)t2. After it has turned through 10
    15·1 answer
  • You and your 3 friends are driving down the road. All the wheels go flat at the exact same time, that's not good. You have to us
    15·1 answer
  • The speed of a car decreases uniformly as it passes a curve point where normal component of acceleration is 4 ft/sec2. If the ca
    11·1 answer
  • What is the force applied to an object that has a mass of 200 kg and is accelerated to 40 m/s^2?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!