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
erastovalidia [21]
3 years ago
9

4. While cleaning your bedroom, you move your mattress to vacuum underneath your bed. You use a force of 48 N to move the mattre

ss 1.5 meters out of the way. How much work was done?
Physics
1 answer:
Lerok [7]3 years ago
8 0

Answer:

72 J

Explanation:

Use the Work formula

W= F x d

Given:

F - 48 N

d - 1.5 m

Solution:

W= F x d

W=  48 N x 1.5 m

W= 72 J

You might be interested in
A freight car moves along a frictionless level railroad track at constant speed. The freight car is open on the top. A large loa
Fittoniya [83]

The added weight of the sand puts more downward pressure on the wheels contacting the rails, which would cause the trains speed to decrease.

3 0
3 years ago
Though some self-report error may exist, surveys/interviews are useful in that they allow researchers to collect large amounts o
Leokris [45]
Definitely true, surveys and interviews aren’t flawless but you can collect lots of data from them
4 0
3 years ago
Where does current flows maximum in? series connection or parallel connection?
notsponge [240]
Current flow depends on other things in addition to the circuit configuration. If the SAME voltage is applied to some arrangement of the SAME components, the greatest current will occur when they are all in parallel.
3 0
3 years ago
Assume: The bullet penetrates into the block and stops due to its friction with the block. The compound system of the block plus
charle [14.2K]

Answer:

The total energy of the composite system is 7.8 J.

Explanation:

Given that,

Height = 0.15 m

Radius of circular arc = 0.27 m

Suppose, the entire track is friction less. a bullet with a m₁ = 30 g mass is fired horizontally into a block of wood with m₂ = 5.29 kg mass. the acceleration of gravity is 9.8 m/s.

Calculate the total energy of the composite system at any time after the collision.

We need to calculate the total energy of the composite system

Total energy of the system at any time = Potential energy of the system at the stopping point

E=mgh+Mgh

E=(m+M)gh

Put the value in to the formula

E=(30\times10^{-3}+5.29)\times 9.8\times0.15

E=7.8\ J

Hence, The total energy of the composite system is 7.8 J.

8 0
3 years ago
A log with a mass of 90.0 kg falls off a cliff with a height of 31.2 m cliff. Assume g = 9.8 ms-2 What energy transformation occ
Vsevolod [243]

Answer:

kinetic energy

Explanation:

8 0
3 years ago
Other questions:
  • The word centripeta/means "<br> -seeking."<br> Answer here
    9·1 answer
  • A 1600-kg car travels at a speed of of 12.5 m/s. What is its kinetic energy?
    11·1 answer
  • When carrying extra weight, the space formed between the top of your head and the two axles of the motorcycle is referred to as
    10·1 answer
  • The colors you see during a sunset are caused by _____. the refraction of light by the atmosphere the absorption of light by the
    15·1 answer
  • If a student connects two resistors to a circuit parallel would the total resistance increase, decrease or does it not change an
    8·1 answer
  • Light incident on a surface at an angle of 45° undergoes diffused reflection at what angle will it reflect?
    12·1 answer
  • Why might compound gear trains be better than two gears alone?
    6·1 answer
  • What are some limitations to your direct observations of your environment? Give an example of an observation that could be made
    14·1 answer
  • Three cars collide, a 1500 kg sports car, a 1750 kg family car, and a 1200 kg compact car. Which experiences the greatest change
    6·1 answer
  • Need help with this question ​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!