Answer:
Explanation:
When a certain amount of substance is supplied with a certain amount of energy Q, the temperature of the substance increases according to the equation
where
m is the mass of the substance
C is the specific heat capacity
is the change in temperature
In this problem:
m = 150.0 g is the mass of wood
Q=67,000 J is the amount of energy supplied to the wood
is the increase in temperature of the substance
Therefore, the specific heat capacity is:
Typically two copies in each cell.
Answer:
The ultimate determinant of truth in science is the execution of scientific experiments that prove or discredit a certain scientific statement. It was through scientific experiments that gravity was accepted scientifically.
Explanation:
Gravity was first observed by Isaac Newton, who quickly created theories and calculations to prove it and show that it exists, in addition to showing the influences it has on life and on the planet.
However its existence was discredited by several people, including men of science. Therefore, it was necessary to search for facts, calculations and evidence of its existence, so that it could be accepted and studied more and more deeply. The result of this, was the elaboration of diverse experiences that submitted the gravity to the most different tests until its existence was impossible to be denied.
<span>Heat from the Sun is transferred to the sand without direct contact. This heat is then transferred to your feet by direct contact.</span>
Explanation:
Loudness of sound is a measure of response of sound to our ear. Loudness of sound is not simply the energy reaching the human ear, but it also tells about the sensitivity of human ear detecting this energy. Loudness of sound is measured in decibel (dB). As energy reaching the ear depends on square of amplitude, loudness of sound depends on various factors namely,
(i) Amplitude of sound waves
(ii) Sensitivity of ear
(iii) Distance from the source of the sound and the listener.