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
bearhunter [10]
2 years ago
13

A mass of 0.54 kg attached to a vertical spring stretches the spring 36 cm from its original equilibrium position. The accelerat

ion of gravity is 9.81 m/s^2.
What is the spring constant? Answer in units of N/m.
Physics
1 answer:
UNO [17]2 years ago
6 0
<h2>Spring constant is 14.72 N/m</h2>

Explanation:

We have for a spring

            Force =  Spring constant x Elongation

            F = kx

Here force is weight of mass

           F = W = mg = 0.54 x 9.81 = 5.3 N

Elongation, x  = 36 cm = 0.36 m

Substituting

           F = kx

           5.3 = k x 0.36

             k = 14.72 N/m

Spring constant is 14.72 N/m

You might be interested in
MathPhys i need your help please helpppo
Lena [83]

Answer:

6.77 m/s

Explanation:

First, in the x direction:

Given:

Δx = 3.17 m

v₀ = v cos 30.8° = 0.859 v

a = 0 m/s²

Δx = v₀ t + ½ at²

(3.17 m) = (0.859 v) t + ½ (0 m/s²) t²

3.17 = 0.859 v t

3.69 = v t

Next, in the y direction:

Given:

Δy = 0.432 m

v₀ = v sin 30.8° = 0.512 v

a = -9.81 m/s²

Δy = v₀ t + ½ at²

(0.432 m) = (0.512 v) t + ½ (-9.81 m/s²) t²

0.432 = 0.512 v t − 4.905 t²

Two equations, two variables.  Solve for t in the first equation and substitute into the second equation:

t = 3.69 / v

0.432 = 0.512 v (3.69 / v) − 4.905 (3.69 / v)²

0.432 = 1.89 − 66.8 / v²

66.8 / v² = 1.458

v² = 45.8

v = 6.77

7 0
3 years ago
Please help on this one?
Schach [20]

Chemical energy. Elimination is useful to answer this question.

6 0
2 years ago
The top of the syringe is a circle. You need to
Basile [38]

Answer:

3.60

Explanation:

8 0
3 years ago
Read 2 more answers
A car has a mass of 1500. It is traveling north a 8 m/s. What is the cars momentum
Mama L [17]
Momentum = mass x velocity
= 1500 x 8
= 12000 kg m/s
7 0
2 years ago
A satellite orbiting Earth at an orbital radius r has a velocity v. Which represents the velocity
babunello [35]

Answer:

v / √5

Explanation:

Centripetal acceleration = acceleration due to gravity

v² / r = GM / r²

v² = GM / r

If the radius is increased to 5r:

u² = GM / (5r)

u² = v² / 5

u = v / √5

8 0
3 years ago
Other questions:
  • Questions
    10·1 answer
  • Astronomers have seen stars forming within a nebular cloud. As the nebular cloud condenses and its own gravitational attraction
    15·2 answers
  • In what order do the effort, fulcrum, and resistance appear on a second class lever?
    6·1 answer
  • What do you guys know about thermal energy please explain it in the easiest way possible I'm not very smart :(
    14·1 answer
  • 1. The statement about Newton's reflecting telescope contains 1 error. Find the error, write it, and
    14·1 answer
  • A car accelerates uniformly in a straight line
    12·1 answer
  • All objects on earth, whether moving or stationary, are acted upon by which force?
    10·1 answer
  • PLEASE HELP DUE IN MINS. Thanks
    7·2 answers
  • A proud new Jaguar owner drives her car at a speed of 35 m/s into a corner. The coefficients of friction between the road and th
    14·1 answer
  • A. A cord passing over an easily turned pulley (one that is both massless and frictionless) has 7kg mass hanging from one end an
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!