An object moving on the x axis with a constant acceleration increases its x coordinate by 80 m in a time of 5.0 s and has a velocity of +20 m/s at the end of this time. Determine the acceleration of the object during this motion
a. ?1.6 m/s2
b. +6.4 m/s2
c. +1.6 m/s2
d. ?2.0 m/s2
e. ?6.4 m/s2
c
You might also like to view...
If you point toward the zenith right now and then point there again 6 hours later, you will have pointed twice in the same direction relative to
a. your horizon. b. the Sun. c. the Moon. d. the fixed stars.
A _________ is an electrochemical cell that consumes a fuel and directly produces electrical energy.
Fill in the blank(s) with the appropriate word(s).
The age of the universe is
A) between 10 million and 16 million years. B) between 100 million and 160 million years. C) between 1 billion and 1.6 billion years. D) between 10 billion and 16 billion years. E) between 100 billion and 160 billion years.
How can astronomers measure the period of a planet's orbit?
A) by measuring the time between peaks in the star's velocity curve B) by timing the cycle of small changes in a stars position on the sky C) by measuring the time between repeated transits D) all of the above