KE = 0 (because velocity is 0)
PE = mgh = 2kg*9.8m/s^2*40m= 784 joule
<u>Explanation:</u>
KE stands for kinetic energy. In physics, the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity.
Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. Since in this case, the building is still and therefore it does not have any kind of kinetic energy because there is not acceleration.
ratio of adults to students can be written as a fraction
adult tickets / student tickets
140/210 can be simplified to 14/21
14/21 can be simplifed to 2/3
Answer:15 minutes
Step-by-step explanation: 5/2 * 6 = 30/2 = 15
Answer:
D) 262,144
Step-by-step explanation:
The given sequence is given explicitly as:

We want to find the tenth term of this sequence.
We substitute n=10 to get:

Simplify the exponent

Simplify the power

Therefore the 10th term is 262,144