hopecrawley14
hopecrawley14 hopecrawley14
  • 12-11-2019
  • Mathematics
contestada

suppose a rock in free fall is dropped off a cliff. after 5 seconds, its speed will be 100 m/s. is it true or false?

Respuesta :

jaidamarie2sb
jaidamarie2sb jaidamarie2sb
  • 12-11-2019

Answer:

Its speed would be 122.5m/s

Step-by-step explanation:

Hope this helps

Answer Link
eg73015
eg73015 eg73015
  • 12-11-2019

Answer:

false

Step-by-step explanation:

v=1/2 a t2 t=5s a=9.81m/s2 v=122.625 m/s. ... Suppose a rock is dropped off a cliff with an initial speed of 0 ms What is the rocks speed after 3 seconds in ... The acceleration of gravity is 9.8 m/s2 Speed after 3 sec = (9.8 x 3) = 29.4 m/s.

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