4x time 10x (I think)
Here, this will help-
http://www.cas.miamioh.edu/mbiws/microscopes/Magnification.html#totalmagnification
Answer:
Explanation:
Given:
length of unstrained spring,
mass attached to the spring,
length of the spring after hanging the mass,
energy to be stored in the spring,
<u>The length of the spring stretched after hanging the mass:</u>
<u>Therefore the stiffness constant of the spring:</u>
where
F = is the force to which the spring is subjected for the corresponding change in length .
here,
<u>As we know that the spring potential energy is given as:</u>
where
extension in the length of the spring
<u>So the total length of the spring when it stores 10 J energy:</u>
Answer:
780 m to travel north
Explanation:
6 m over = 750
53 degree so it will take about 2 min to reach the destination
Answer:
Explanation:
When the spring is compressed by .80 m , restoring force by spring on block
= 130 x .80
= 104 N , acting away from wall
External force = 82 N , acting towards wall
Force of friction acting towards wall = μmg
= .4 x 4 x 9.8
= 15.68 N
Net force away from wall
= 104 -15.68 - 82
= 6.32 N
Acceleration
= 6.32 / 4
= 1.58 m / s²
It will be away from wall
Energy released by compressed spring = 1/2 k x²
= .5 x 130 x .8²
= 41.6 J
Energy lost in friction
= μmg x .8
= .4 x 4 x 9.8 x .8
= 12.544 J
Energy available to block
= 41.6 - 12.544 J
= 29 J
Kinetic energy of block = 29
1/2 x 4 x v² = 29
v = 3.8 m / s
This will b speed of block as soon as spring relaxes. (x = 0 )
Two objects allowed to move freely will accelerate toward each other
in response to the gravitational forces between them.
It doesn't matter whether they have equal masses or vastly different
masses ... each object accelerates toward the other one.
The less-massive object has greater acceleration, and the more-massive
object has smaller acceleration.
Yes. When you fall to the Earth, the Earth falls to you, but with less
acceleration because it has less mass than you have.