Speed= Distance/Time
Distance=24m
Time= 5seconds
Speed= 24/5= 4.8m/s
Answer:
7.68 m
Explanation:
Kinetic energy in ball = elastic energy in spring
KE = EE
½ mv² = ½ kx²
mv² = kx²
x = v √(m / k)
x = (38.5 m/s) √(20.5 kg / 515 N/m)
x = 7.68 m
Answer:
increases
Explanation:
it would have to work harder to get to two points together
Answer:
reflection is the act of reflecting or the state of being reflected while echo is
reflection of sound waves from a surface back to the initial listener
Newton’s fifth law says so i’m sorry it’s just logic
