Answer:
19. down
20. True
Explanation:
The examples I saw were projectiles launched at different angles and speeds. In each case, the only acceleration was ...
19: down
20: due to gravity (true)
Velocity of Deidre and her dog is 2.11m/s.
<h3>What is velocity?</h3>
- Velocity is the rate of change of position of an object in a particular frame of reference
- Mathematically, velocity of an object = Displacement of the object/time taken
<h3>What is velocity of Deidre and her dog ?</h3>
- The distance covered by Deidre and her dog is 95 meter towards north.
- The time taken to cover the distance is 45 second.
- So velocity of Deidre and her dog =95/45
=2.11m/s
Thus , we can conclude that the velocity of Deidre and her dog is 2.11 m/s towards north .
Learn more about velocity here :
brainly.com/question/80295?source=archive
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Answer:
recoil velocity of canon is 0.1039 m/s
Explanation:
given,
mass of shell = 97 kg
speed at which the shell is fired = 105 m/s
angle at which the shell is fired (θ) = 60°
mass of cannon plus car = 4.9 × 10⁴ kg
by conservation of momentum
∑ P = 0
recoil velocity of canon is 0.1039 m/s
Answer:
Fossil fuels store energy from the sun as
Explanation: