Answer:
Oh I had this question before! :)
Explanation:
Acid - citrus products - the classic one is lemon juice
Anything with a sour taste is acidic
Base - soap, oven cleaner, drain cleaner, baking soda
Basic things are bitter (please don't taste the drain cleaner and oven cleaner)
Answer:
C 0.85 j/g*k
Explanation:
The specific heat capacity of a material is given by:
where
Q is the amount of heat supplied to the object
m is the mass of the object
is the increase in temperature of the object
For the object in this problem, we have
m = 117 g is the mass
Q = 1200 J is the heat supplied
is the increase in temperature
Substituting into the formula, we find the specific heat:
Answer:
Greatest Achievements of Mankind
-Declaration of Human Rights.
-United Nations.
-Leonardo Da Vinci's Mona Lisa.
-Michelangelo's Pieta.
-The Works of William Shakespeare.
-Technological achievements.
-The First Flight.
(please mark brainliest if correct/helped you <3)
D. you develop positive interactions with your peers
A ladder 25 feet long is leaning against a house. The base of the ladder is pulled away at a rate of 2 ft/sec.
a.) How fast is the top of the ladder moving down the wall when the base of the ladder is 12 feet from the wall?
Answer:
dy/dt = -1.094ft/sec
Explanation:
Given that:
dz/dt = 0,
dx/dt = 2,
dy/dt = ?
Hence, we have the following
Using Pythagoras theorem
We have 25ft as the hypotenuse, y as the opposite or height of wall, and x as the base of the triangle
X² + y² = z²,
12² + y² = 25²,
y² = 25² - 12²
y = √481
Therefore, we have the following:
2x dx/dt + 2y dy/dt,
= 2z dz/dt,
= 12 (2) √481 dy/dt,
= √481 dy/dt = -24,
= dy/dt = -1.094ft/sec
Therefore, final answer is -1.094ft/sec
