A toddler is on a playground swing. When she is all the way on the right, then:
a. her tangential acceleration is maximal to the right
b. her kinetic energy is maximal
c. her tangential acceleration is maximal to the left
d. her tangential acceleration is zero
e. her velocity is maximal to the right
f. none of the above is true
Energy Conservation Principle:
The energy conservation principle consists of a physical law that states that if no external forces act on the system, the total energy of the system should conserve. Energy is not created nor destroyed, it only transforms. This means that a system may present energy transformations, but the overall total energy of the system will remain the same. The total energy of a system can be determined by the sum of the total kinetic and potential energy of the system.
$$E_t=K_e+U_e\\ E_t=0.5mv^2+mgh $$
Answer and Explanation:
When the toddler is on the swing all the way to the right, the tangential acceleration needs to be in direction of the...
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fromChapter 13 / Lesson 9