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
SpyIntel [72]
3 years ago
15

If 84 J of work are exerted to pull a wagon, how much force does it take to pull the wagon 7.0 m? Round your answer to the neare

st whole number.
Physics
1 answer:
Monica [59]3 years ago
3 0

Answer: It takes 12 N of force to pull the wagon.

Explanation:

You might be interested in
An ice chest at a beach party contains 12 cans of soda at 4.05 °C. Each can of soda has a mass of 0.35 kg and a specific heat ca
BARSIC [14]
Below is the solution:

Heat soda=heat melon 
<span>m1*cp1*(t-t1)=m2*cp2*(t2-t); cp2=cpwater </span>
<span>12*0.35*3800*(t-5)=6.5*4200*(27-t) </span>
<span>15960(t-5)=27300(27-t) </span>
<span>15960t-136500=737100-27300t </span>
<span>43260t=873600 </span>
<span>t=873600/43260 </span>
<span>t=20.19 deg celcius</span>
4 0
3 years ago
Jordan drives 25 m east from school to go to the mall. After dinner, he drives 5 m west to the library. Distance, Displacement,
Naily [24]
Wait do I tell wat to fill in??
6 0
4 years ago
Consider the force field and circle defined below. F(x, y) = x2 i + xy j x2 + y2 = 121 (a) Find the work done by the force field
kirza4 [7]

Answer: the work done by the force is 0

Explanation:

F (x², xy)

121 = 11²

so R = x² + y² = 11²

p = x². Q = xy

Δp/Δy = 0, ΔQ/Δx

using Green's theorem

woek = c_∫F.Δr = R_∫∫ ΔQ/Δx - Δp/Δy) ΔA

=  (x² + y² = 121)_∫∫ yΔA

now let x = rcosФ, y = rsinФ

ΔA = rΔrΔФ

so r from 0 to 11

and Ф from 0 to 2π

= 0_∫^2π   0_∫^11  rsinФ × rΔrΔФ

= 0_∫^2π SinФΔФ   0_∫^11  r²Δr

= [ -cosФ]^2π_0 [r³/3]₀¹¹ = ( -cos2π + cos0) (11³/3) = 0

therefore the work done by the force is 0

3 0
4 years ago
Name three types of energy that exist in a large piece of charcoal on a grill in the sunlight. Explain why the charcoal has each
zloy xaker [14]

Answer:

* thermal energy

potential energy,

potential energy

Explanation:

The ship has various types of energy,

* thermal energy. This energy is associated with the temperature of the coal, the hotter the greater its internal energy,

* potential energy                                                                              this energy is stored in the constituent atoms within carbon

* potential energy. It is due to the configuration of the system, in this case the sun heats the coal

5 0
3 years ago
Calculate the average velocity of object over the first 10 seconds of the trip
kirza4 [7]

Answer:

in order to find the average velocity use  change in Displacement / change in time?

Explanation:

6 0
3 years ago
Other questions:
  • How is energy conserved when a pan of water on an electric stove comes to a boil
    14·1 answer
  • What is the difference between 5 mL of water and 5.0 mL of water?
    6·1 answer
  • A watch manufacturer claims that its watches gain or lose no more than 8 seconds in a year. How accurate are these watches, expr
    5·1 answer
  • A projectile is shot vertically upward with a given initial velocity. It reaches a maximum height of 72.0 m. On a second shot, t
    9·1 answer
  • A crate slides down a ramp at a constant velocity. the ramp has an incline of 28 degrees above the horizontal the crate weighs 2
    14·1 answer
  • Which of the following best describes normal force? A. the force of attraction between two objects B. the force applied to an ob
    11·2 answers
  • An argon gas occupies 56.2 L at 760 torr. If the volume of gas dereases to 1/4 of the original volume ,calculate its final press
    5·1 answer
  • 100.0 J of work accelerates a 0.500 kg hockey puck across an ice rink (a frictionless
    6·1 answer
  • Humans use mitosis for all the following except *
    5·2 answers
  • Whar determines the direction of ocean currents​
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!