The maximum velocity of the rock is 64.55 m/s
Answer: Option B
<u>Explanation:</u>
The possessed energy by the objects while motion called kinetic energy. It is directly proportionate to mass and square of velocity. The stored energy in the system called potential energy and expressed as below,
U = spring’s potential energy in certain place
k = the spring constant, in N/m.
x = the spring’s distance is stretched or compressed away from equilibrium
Conservation of energy states energy neither created nor destroyed but change from one form to other. So, using this concept, equating both potential and kinetic energies equation we get,
Given:
m = 12 g = 0.012 kg
k = 200 N/m
x = 0.500 m
Substitute these values we get,
Taking square root, we get,
The required answer is 66.925 m which is the distance travelled by the car.
Answer:
The phenomenon of splitting of white light into its seven constituent colours when it passes through a glass prism is called dispersion of white light. The various colours seen are Violet, Indigo, Blue, Green, Yellow, Orange and Red.
Explanation:
Answer:
The United Nations is an international organization founded in 1945 after the Second World War by 51 countries committed to maintaining international peace and security, developing friendly relations among nations and promoting social progress, better living standards and human rights.
The UN was formed by 51 countries in order to encourage resolution of international conflicts without war and to form policies on international issues. The UN Charter sets out four main purposes: Maintaining worldwide peace and security. Developing relations among nations.
A. The slope represents the rate of increase in elevation in feet per minute.
b. The elevation is increasing with time so we are hiking uphill.