Answer:
a. absorbed
Explanation:
This is because for the internal energy of the sidewalk to increase, its temperature and thus its internal energy must increase. This causes it to heat up and this is done by absorbing energy from the UV wave.
Answer:
0.02
Explanation:
Force, where N is normal reaction and coefficient of kinetic friction is . Also, N is equivalent to mg ie N=mg where m is mass of an object and g is acceleration due to gravity. Making the subject of the formula then
Substituting F with 2 N, m with 10 kg and g with 9.81 then
They would have disliked that they had to relearn how to measure.
Answer:
Mass is proportional to gravity and gravity is necessary to hold an atmosphere, therefore mass would seem to be very important for the ability for a body to have an atmosphere. However there are quite a few examples that show that it doesn't require that much mass to get an atmosphere.
Explanation: