Answer:
55.845 plz follow me and mark me as brainlest
Answer:
When dealing with the force of gravity between two objects, there are only two things that are important – mass, and distance. The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them.
<span>B.The oxygen isotopes contain 8 electrons but each contains a different number of neutrons and protons - 8 and 10 respectively.</span>
0.0018 grams is the mass of silver can 2 kJ of energy raise 15°C.
Explanation:
Data given:
heat supplied (q) = 2KJ or 2000 J
cp of silver= 0.24 j/gram °C (specific heat capacity is the amount of heat required to raise the temp of substance by 1 degree)
temperature = 15 degree centigrade
mass=?
using the equation for the heat capacity,
q= mcpT
m = 
Putting the values in the equation:
= 
= 0.0018 grams is the mass of silver in which 2 kJ of energy raise temperature by 15°C.
Answer:
80.67 feet/sec
Explanation:
Use conversion factors:
But the figure of 1 minute = 3.600 seconds cannot be correct. The last time I checked, there were 60 seconds in a minute. There are, however, 3600 seconds in an hour, so I'll use that if the question ever comes up again.
(55 miles/hour)*(5,280 feet/mile)*(1 hour/3600 seconds) = seconds)
= 80.67 feet/sec
