Approximately how many times faster is the speed of light in vacuum than the speed of sound in air?
106 times
Physics & Space Science
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Each day, there are ________ high tides on Earth
Fill in the blank(s) with correct word
Physics & Space Science
State Newton's second law of motion
What will be an ideal response?
Physics & Space Science
The energy transformation that occurs during downhill skiing is
A) kin E ? grav E. B) chem E ? kin E + therm E. C) kin E ? grav E + therm E. D) grav E ? chem E. E) grav E ? kin E + therm E.
Physics & Space Science
A motorcycle daredevil wants to ride up a 50.0 m ramp set at a 30.0° incline to the ground. It will launch him in the air and he wants to come down so he just misses the last of a number of 1.00 m diameter barrels. If the speed at the instant when he leaves the ramp is 60.0 m/s, how many barrels can be used?
a. 79 b. 318 c. 332 d. 355 e. 402
Physics & Space Science