B the energy of the car. Sorry if this is not right
The density of the block is mathematically given as

<h3>Density of block</h3>
Question Parameters:
50 cm by 100 cm by 200 cm has a mass of 8000 g.
Generally the equation for the density is mathematically given as

Where
v= 50 cm * 100 cm * 200 cm
v=1000000cm
v=10000m
Therefore

phi=8e-4
For more information on density
brainly.com/question/14010194
Answer: 40.4M/s
Solution: 46.6/1.15 = 40.4347826 then round it to a single decimal point, since 3 is lower than 5 it will be rounded to 40.4
Answer:
Answer is 717 N . m
Refer below for the explanation.
Explanation:
As per the question,
38 mm diameter shaft,
Yield strength 250 mpa,
P 240kn.
Refer to the picture for complete explanation.