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
Delicious77 [7]
3 years ago
6

A boy pulls a sled 46 m across a flat field with a force of 120 N. The force acts on the sled through a rope at a 23° angle with

the horizontal. What is the work the boy does on the sled? (Round your answer to two significant figures.)
Physics
1 answer:
ivann1987 [24]3 years ago
8 0

Answer:

5520

Explanation:

w=f×d

w=120×46

w=5.52×10^3

You might be interested in
I shared a picture of the problem. It’s a basic Physics question and an Algebra question.
julia-pushkina [17]

Hence the expression of ω in terms of m and k is

\omega = \sqrt{\frac{k}{m}

Given the expressions;

T_s = 2 \pi \sqrt{\frac{m}{k} } \ and \ T_s = \frac{2 \pi}{\omega}

Equating both expressions we will have;

2 \pi \sqrt{\frac{m}{k} }  = \frac{2 \pi}{\omega}

Divide both equations by 2π

\frac{2 \pi\sqrt{\frac{m}{2 \pi} } }{2 \pi}=\frac{\frac{2 \pi}{\omega} }{2\pi}\\\sqrt{\frac{m}{2 \pi} } = \frac{1}{\omega}\\

Square both sides

(\sqrt{\frac{m}{k} } )^2 = (\frac{1}{\omega} )^2\\\frac{m}{k} = \frac{1}{\omega ^2} \\\omega ^2 = \frac{k}{m}

Take the square root of both sides

\sqrt{\omega ^2} =\sqrt{\frac{k}{m} } \\\omega = \sqrt{\frac{k}{m}

Hence the expression of ω in terms of m and k is

\omega = \sqrt{\frac{k}{m}

3 0
3 years ago
In an experiment, 1 mol of propane is burned to form carbon dioxide and water.
Natalija [7]

Answer:

5 moles of O2are required, you can see it in your equation.

5 0
3 years ago
If al snow and glaiers melted, would the sea level rise or fall
Kobotan [32]
The sea level would rise because the snow and glaciers are water 

4 0
4 years ago
When was the first airplane made?
expeople1 [14]
The first ariplanr was made December 17, 1903
3 0
3 years ago
Read 2 more answers
A pure substance that is made of only one kind of atom is called _________.
Nina [5.8K]
A pure substance that is made up of only one kind of atom is called an element
3 0
3 years ago
Read 2 more answers
Other questions:
  • Find the density of an object that has a mass of 5 kg and a volume of 50 cm3
    7·2 answers
  • A runner starts from a rest and speeds up with a constant acceleration . if she has gone a distance of 30 m at the point when sh
    15·2 answers
  • Mrs. Davis has asked Kyle to retrieve the compound mixture from the chemical cabinet. Which of the following should Kyle retriev
    5·1 answer
  • Imagine that a star-forming cloud collapses but retains all of its mass in a single blob. In order to conserve angular momentum,
    6·2 answers
  • A firework is designed so that when it is fired directly upwards, it explodes and splits into three equal-massed parts at its pe
    12·1 answer
  • Use your calculator to evaluate -3.7 meter/second-13.9 meter/second 21.4 second-72 second
    14·1 answer
  • Four wires are made of the same highly resistive material, cut to the same length, and connected in series. Wire 1 has resistanc
    8·1 answer
  • Use evidence to explain why glass refracted more light than air or water
    13·1 answer
  • If a net force of 20 N is applied to a mass of 4kg, what is the acceleration​
    15·1 answer
  • A bicycle rides in a straight line at 1 km at 10
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!