Potential energy can be defined as the energy of something in relation to others, stresses within itself, or the electric charge.
Elastic potential energy the energy that is stored due to the deformation of an elastic object (i.e. a spring). This energy is equal to the energy needed to stretch the spring.
Chemical potential energy is energy stored in a substance's chemical bonds. This energy can be absorbed/released during either a chemical reaction or a phase transition.
The only equation you need is the Δy = v₀t + 1/2at², and in this case, v₀t = 0 because the swimmers are starting from rest. Therefore, Δy = 1/2at², and that is 1/2 x (10m/s²) x (1.5)² = 11.25m.
With sigfigs it is 11m.
We know that the energy required to raise the temperature of a substance is the product of that substance's mass, specific heat capacity and the change in temperature. Mathematically:
Q = m * Cp * delta(T)
The Cp of water in Kcal/(kg*K) or Kcal/(kg*C) is 1. (Per unit Celsius and per unit Kelvin are interchangeable because one degree change in Celsius is equal to one degree change in Kelvin)
Using the formula,
Q = 0.5 * 1 * (50-20)
Q = 15 Kcal
Answer:
C- Light
Explanation:
Light waves are electromagnetic waves. Visible light is one of the many types of electromagnetic waves. The others are mechanical waves.
Answer:
Newton's first law is often called the law of inertia.
searched it up to verify
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