Answer:
C≈43.98 or 44
Explanation:
A clock is shaped like a circle with a diameter of 14 in. Therefore, to the nearest inch, the circumference of the clock is 43.98 inches or 44 inches.
Formula: C=2πr
Radius = 1/2 of diameter
Diameter = 14 inches
14 ÷ 2 = radius of 7 inches
C=2πr=2·π·7≈43.9823
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Answer:
t_pass = 2.34 m
t_stop = 4.68 s
Thus, for the car passing at constant speed the pedestrian will have to wait less.
Explanation:
If the car is moving with constant speed, then the time taken by it will be given as:
where,
t_pass = time taken = ?
D = Distance covered = 23 m
v = constant speed = (22 mi/h)(1609.34 m/1 mi)(1 h/3600 s) = 9.84 m/s
Therefore,
<u>t_pass = 2.34 m</u>
<u></u>
Now, for the time to stop the car, we will use third equation of motion to get the acceleration first:
Now, for the passing time we use first equation of motion:
<u>t_stop = 4.68 s</u>
Answer:
Explanation:
Let the velocity be Va for outbound journey and 1.2 Va for return journey .
Total time taken = 2400 / Va + 2400 / 1.2 Va
2400 / Va + 2400 / 1.2 Va = 20 / 3 h
1 / Va ( 2400 + 2000 ) = 20 / 3
4400 / Va = 20/3
Va = 4400 x 3 / 20 = 660 mi / h
Answer:
It is characterized by fast, quick passes down the court and using more players on the attack than the opposition has for their defense. Slower, more deliberate play characterizes the slow-break style. This technique calls for more thoughtful action; players maneuver carefully in order to shoot in this type of offense.
