A strobe photograph of a car moving along a straight road shows the interval between each successive image to be diminishing. If the direction of motion of the car is taken as positive, which of the following are negative?
a. the speed of the car
c. the average acceleration of the car
b. the average velocity of the car
d. all of the above
C
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Even in degenerate matter, pressure depends on temperature
Indicate whether the statement is true or false
A certain chemical reaction has an activation energy of What temperature must the reaction be at for the reaction rate to be double the rate at 20
A. 290 K B. 310 K C. 330 K D. 350 K E. 360 K
We can describe the position of an object in our local sky by stating its
A) altitude and meridian. B) altitude and direction. C) latitude and direction. D) latitude and longitude. E) meridian and longitude.
Tides are caused because different parts of the Earth's oceans are at different distances from the Moon
a. True b. False Indicate whether the statement is true or false