The kinetic energy of an object increases linearly as the velocity of the object increases
Indicate whether the statement is true or false
FALSE
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A suitable electric pump in an electric circuit is a
A) chemical battery. B) generator. C) both of these D) neither of these
Which of the following physics quantity measures how fast an object is moving?
If there were no air resistance and no gravity:
a. an object thrown at an angle upward would come down, but more slowly than it does on Earth. b. an object thrown at an angle upward would eventually change direction to move at constant height, rather than up. c. an object thrown at an angle upward would come down the same way it does on Earth. d. an object thrown at an angle upward would slow down and stop. e. an object thrown at an angle upward would keep going up in the same direction for ever and never come down.
Newton's Second Law in 1 Dimension: A block is on a frictionless table, on earth. The block accelerates at 5.3 m/s2 when a 10 N horizontal force is applied to it. The block and table are set up on the Moon where the acceleration due to gravity is 1.62 m/s2. A horizontal force of 5 N is now applied to the block when it is on the Moon. The acceleration imparted to the block by this force is closest to
A. 2.7 m/s2. B. 2.4 m/s2. C. 2.9 m/s2. D. 3.2 m/s2. E. 3.4 m/s2.