Answer:
0.358 kg
Explanation:
From simple harmonic motion,
T = 2π√(m/k)................ Equation 1
Where T = period of the spring, k = spring constant of the spring, m = mass suspended, π = pie
make m the subject of the equation
m = kT²/4π².................. Equation 2
Given: k = 15 N/m, T = 0.97 s, π = 3.14
Substitute into equation 2
m = 15(0.97²)/(4×3.14²)
m = 14.1135/39.4384
m = 0.358 kg.
Hence mass suspended = 0.358 kg
Answer:
When you place an object in front of a mirror, you see the same object in the mirror. This image that appears to be behind the mirror is called the image. The object is the source of the incident rays, and the image is formed by the reflected rays. An image formed by reflection may be real or virtual.
Answer:
because the light bounces off of the water creating a bend. the answer is d.
Both men did equal work and the second person worked faster