The middle one would heat up the fastest as glass traps heat, black absorbs heat well and silver is a good conductor of heat however you would want to re-phrase that
momentum is measured by the product of mass and velocity of the object. As You have mentioned that the body is stationary then the velocity is zero. So the momentum of the body is 0.
hope this helps
<span>Acceleration of ball (a) = 9.8 m/s^2
Speed (v) = 24.5 m/s
Time (t) = Acceleration / Time
= v / a
= 24.5/9.8
= 2.5 s
So it will take 2.5 seconds to reach that speed.</span>
<span>Most astronomers think that the Universe was formed during an event called the Big Bang - a giant explosion which occurred between 10 and 20 billion years ago. During the Big Bang, all of the space, time, matter, and energy in the Universe was created. This giant explosion hurled matter in all directions and caused space itself to expand. As the Universe cooled, the material in it combined to form galaxies, stars, and planets.</span>
Answer:
The Electric field will be 225.92 N/C
Explanation:
Given :
- Radius of the hollow sphere R=42.8 cm
- Initial charge on the conducting sphere is
- Magnitude of the point charge
We know that the flux of the electric field through a close surface cab be calculated by using Gauss Law which is
Hence the Electric Field is calculated.
The answer founded out by you seems to be correct and very close to the exact answer and the concept you have used in your answer is also correct.
