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
JulijaS [17]
3 years ago
10

A child standing on the edge of a freely spinning merry-go-round moves quickly to the center. Which one of the following stateme

nts is necessarily true concerning this event and why?
a. the angular speed of the system increases because the moment of inertia of the system has decreased.
b. the angular speed of the system increases because the moment of inertia of the system has increased.
c. The angular speed of the system decreases because the moment of inertia of the system has increased.
d. The angular speed of the system remains the same because the net torque on the merry-go-round is zero N x m.
e. The angular speed of the system decreases because the moment of inertia of the system has decreased.
Physics
1 answer:
Komok [63]3 years ago
3 0

Answer:

D

Explanation:

Why is because the merry go round wont do anything cause he will stay the same speed.

You might be interested in
Solid pressure depends on?​
matrenka [14]

Answer:

The pressure of the solid on the surface depends on the area of contact. The area of contact between the two surfaces. The greater the force or the smaller the area the greater the pressure.

(credits to the rightful owner for these answers :)

6 0
3 years ago
you push a block of 50kg with a force of 400 N over a distance of 8m. How much kinetic energy does the box gain?
MatroZZZ [7]

Answer:

160000

Explanation:

<h2><u><em>PLEASE MARK AS BRAINLIEST!!!!!</em></u></h2>
4 0
2 years ago
Someone please help me!
beks73 [17]

Answer:

current = 8,750

Explanation:

you will need to use the formula i = v/r to get this answer

3 0
3 years ago
How many grams of NaCl is required to saturate a solution at 90°C?
kakasveta [241]
The answer is going to be  40
4 0
3 years ago
Heat energy is a form of _____ energy.
love history [14]
Heat energy is a form of kinetic energy
5 0
3 years ago
Read 2 more answers
Other questions:
  • How does the matter and (solar) energy move through the sphere?
    11·1 answer
  • Which is an example of an unintentional injury? A student decides to cut herself. Two people have a domestic dispute that leads
    5·1 answer
  • Which is happening when humans control the breeding of living things to favor certain desired features?
    15·1 answer
  • Derek designed an experiment to demonstrate interactions between Earth systems. He cleared a patch of land in his backyard and p
    10·1 answer
  • The colors of light emitted by incandescent gases show the A. absorbing qualities of gas. B. polarization of atoms in the gas. C
    10·1 answer
  • Octane (C8H18) is burned with dry air. The volumetric analysis of the products on a dry basis is as below. (Fig. 15–12) Determin
    13·1 answer
  • What part of an atom is involved in electricity and magnetism?*
    15·2 answers
  • Que te permite hacer un pase largo en el baloncesto
    7·1 answer
  • If a body of mass 2 kg is moving with a velocity of 30 m/s, then
    10·1 answer
  • Choose the following types of hazards below
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!