Answer:
The process in which heat flows by the mass movement of molecules from one place to another is C) convection.
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Answer:
Explanation:
Credit card companies make money in two ways. One is the fees they charge retailers, restaurants, and other sellers of goods and services when you use your card to buy something. The other is the interest and fees they charge you. Here is how credit card interest works—and how you can pay less of it.
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Answer: 495.05 m
Explanation:
Given:
Initial velocity of the bullet, u = 1000 m/s, mass of the bullet, m = 10 g, mass of the wooden block, M = 1000 g,
From the swinging of the wooden block just after the collision with the bullet to its maximum height, using conservation law of mechanical energy we have that,
1/2(m+M) = (m+M)gh
Where h = the vertical height of the block in the direction will the block swing, and g = acceleration due to gravity = 10
=> v=
Using the conservation law of linear momentum,
mu = (m+M)v
mu = (m+M) (where v=)
=>h = *
h=
Answer: Always accelerates in a downward direction
Explanation: Gravity is pulling the ball downward