Answer:
Distance = 713.303m
Explanation:
To determine the distance required for the police officer to overtake car A, we simply calculate the time t for which the police car and the speeding car have traveled equal distances from point P
south = -(north)
Displacement = (4 km north) + (2 km south) + (5 km north) + (5 km south)
Displacement = (4 km north) - (2 km north) + (5 km north) - (5 km north)
Displacement = (4 - 2 + 5 - 5) km north
<u>Displacement = 2 km north </u>
Answer: B. have flowing water either episodically or during only a portion of the year
Explanation:
Ephemeral stream is a type of temporary stream that flows after rainfall or precipitation. Such streams are seasonal streams and are common in extremely dry or arid regions. This type of stream is not connected to any other water source either ground water or surface water except from rainfall, such streams ceases to flow after the raining season and dry off.
laser in the garage . . . D
wavelength of a sound . . . C
how sound travels . . . B
electromagnetic spectrum . . . D
Answer:
45degres
Explanation:
A projectile travels the farthest when it is launched at an angle of 45 degrees.