Answer:
Explanation:
Given:
- Length of block,
- Breadth of block,
- height of block,
- Thermal conductivity of the block,
- Temperature on the hotter side,
- temperature on the cooler side,
- time for which the heat flows,
<u>REFER THE ATTACHED IMAGE FOR THE REFERENCE</u>
<em>The rate of heat flow using </em><em>Fourier's law</em><em> of conduction is given as:</em>
<u>Now the amount heat flow perpendicular to the pink surface:</u>
<u>Now the amount heat flow perpendicular to the orange surface:</u>
<u>Now the amount heat flow perpendicular to the green surface:</u>
Answer:
140 J
Explanation:
From the the question, the mass of the man =70.0 kg and the speed at which the man is walking =2.0 m/s.
where K.E = the kinetic energy, m=mass and v= speed.
By substitution,
Hence the kinetic energy of the man is 140J
The gravitational force is a balance between centripetal and centrifugal force that keeps the planets in their orbits when they are in motion. The gravitational force is a factor of the masses of the Earth and moon and the distance between them. If there were no gravitational force, the moon would stay out of the circular path and follow the direction as shown in the picture.
Answer:
Construction pulleys are used in order to lift and place heavy materials. Curtains at a theatre are moved using pulley systems that pull the curtains apart. Blinds on windows operate using a pulley system to move the blinds up and down.
Answer:
D) The variable shown by letter C would result in a movement of the object to the right.
Explanation:
