Answer:
Choice A
Explanation:
The lower the point the higher the kinetic energy because Mechanical energy is conserved and the Gravitational Potential Energy gets lower when the height is lower
Answer:
90 J
Explanation:
W=fd
W=(75)(1.2)
W= 90 J
2.4 meters per second
I hope this helps
Answer:
A mirror that has a reflecting surface that is recessed inward is called concave mirror
Answer:
A. The frequencies of EMR it emits depend on its temperature
B. It emits only one frequency of EMR
C. It absorbs most of the EMR it receives
Explanation:
- A blackbody is an object that absorbs most of the electromagnetic spectrum of energy that falls on it.
- According to law to reradiates most of the available energy back on top the outer space at an efficiency of 100% and thus radiation may be in the visible range of temperature than are in 1000K.
