The first thing we must do for this case is the sum of forces in a horizontal direction.
We have then:
Substituting values we have:
From here, we clear the mass of the object:
We now look for the weight of the object.
Where,
g: acceleration of gravity (9.8 m/s^2)
Substituting values:
Answer:
the weight of the object is:
option 4
Answer:
I may be a little late, but it's A i got it right on the exam
Explanation:
False
If all other factors, such as medium, are kept the same, longitudinal waves tend to be stronger.
<span>B. If the temperature of a solid is increased, the solid expands and its volume increases.</span>
Weight = mass * gravity = 60 kg * 3.75 m/s² = 225 N
<span>Option D.</span>
