a bowling ball is pushed with a force of 22.0 n and acclerates at 5.5m/s2. what mass of of the bwling ball
2 answers:
Answer:
The mass of the bowling ball is 4 kg.
Explanation:
Given that,
Force = 22.0 N
Acceleration = 5.5 m/s²
We need to calculate the mass of the bowling ball
Using newton's second law
Where, F = force
m = mass of ball
a = acceleration
Put the value into the formula
Hence, The mass of the bowling ball is 4 kg.
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The average speed of the whole travel is equal to <u>400 mph</u>.
Why?
From the statement, we know that whole travel is divided into three parts. For the first part (traveling from New York to Chicago), we have that it was 3.25 hours and the covered distance was half of the total distance (1400mi). For the second part, we have that it was 1 hour (layover time), and the covered no distance. For the third part (traveling from Chicago to Los Angeles), we have that it was 2.75 hours, and it took the other half of the total distance (1400mi).
We can calculate the average speed of the whol travel using the following formula:
Now, substituting and calculating, we have:
Hence, we have the average speed of the whole travel is equal to 400 mph.
Have a nice day!
Answer:
<h2>468,750 J</h2>Explanation:
The kinetic energy of an object can be found by using the formula
m is the mass
v is the velocity
From the question we have
We have the final answer as
<h3>468,750 J</h3>Hope this helps you