Answer:
A.88 feet per second.
B.96.56 km /hr
Explanation:
A
When converting from miles per hour to feet per second, we can use the following conversion factor.
1 mile per hour = 1.46667 feet per second.
Hence, 60 miles per hour will be = 60 X 1.46667 = 88 feet per second.
B.
Similarly, we can use the same process when converting from miles per hour to km per second.
1 mile = 1.60934 km
hence to convert we will multiply 60 miles/hour by 1.60934 km = 96.56 km /hr
Answer:
c. absorbs all the energy that strikes it.
Explanation:
<em>An ideal black body is an object that absorbs every light energy (irrespective of the wavelength and direction) that strikes it without reflecting any in return. </em>
<em>Such objects or bodies usually appear perfectly black and will only emit radiation when heated to a very high temperature.</em>
decreased 5 times
Explanation: if the force increases 5 times between them would decrease 5 times
It would appear Red because as stated above, the paper reflects all the colors of light that fall on it.
Answer:
Density = 3 kg/m³
Explanation:
Given the following data;
Volume = 3m³
Mass = 9 kg
To find the density;
Density can be defined as mass all over the volume of an object.
Simply stated, density is mass per unit volume of an object.
Mathematically, density is given by the formula;
Substituting into the formula, we have;
Density = 3 kg/m³
