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WITCHER [35]
2 years ago
5

A__ is an area where two bones meet and where one bone moves on another

Physics
1 answer:
gavmur [86]2 years ago
7 0

Answer:

Joint or articulation.

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Many doorbells work in the way pictured below. An electromagnet, which is made up of a coil of wire wrapped around a metal core,
Nina [5.8K]

Answer:

An electric current flows through the electromagnet's wire coil and generates a magnetic field, which produces a force on the beater bar.

Explanation:

4 0
2 years ago
Read 2 more answers
A mass is bobbing up and down on a spring. If you increase the amplitude of the motion, how does this affect the time for one os
NikAS [45]

Answer:

It will not change

Explanation:

The period of oscillation of a mass-spring system is given by

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

where

T is the period

m is the mass hanging on the spring

k is the spring constant

As we see from the formula, the period of oscillation does not depend on the amplitude of the motion: therefore, if we change the amplitude, the time for one oscillation will not change.

6 0
3 years ago
[30 POINTS] An automobile steering wheel is shown. The ideal mechanical advantage of this wheel and axle = _____ .
mamaluj [8]

Rw/Ra = MA

18cm/2cm= MA

MA = 9

This means that Fi is 1/9 of the force applied to the axil. The distance travelled by Rw is 9 times more than Ri  is that you move 9 times more when turning the wheel using Rw.

Put more simply

Rw/Ra = Fa/Fw

  • Rw = Radius of the wheel
  • Ra = Radius of the axil
  • Fa = Force delivered on the axil
  • Fw = Force delivered by the wheel
7 0
2 years ago
Which has the greater change in momentum, a 50 gram clay ball that strikes a wall at 1 m/s and sticks or a 50 gram superball tha
jek_recluse [69]

Answer: 50 gram superball that strikes the wall at 1 m/s and bounces away at 0.8 m/s has greater change in kinetic energy.

Explanation:

50 gram superball that strikes the wall at 1 m/s and bounces away at 0.8 m/s has the greater change in kinetic energy because the collision is elastic in nature that is bodies separates after collision and doesn't lose any kinetic energy.

Also for an elastic collision, both the momentum and energy of the bodies are conserved compare to inelastic collision where only momentum is conserved but not the kinetic energy(this is attributed to bodies that sticks together after collision).

5 0
2 years ago
What happens as a result of the pulses passing by each other?
nadezda [96]

Answer:

After pulses pass through each other, each pulse continues along its original direction of travel, and their original amplitudes remain unchanged.

Explanation:

Constructive interference takes place when two pulses meet each other to create a larger pulse.

8 0
2 years ago
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