Answer:
It will take 10 seconds to travel 200m at a speed of 10m/s
Explanation:
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Answer:
Total kinetic energy of entire system is 3 mgl
Explanation:
Given two masses: m and 4m.
Since the pulley is frictionless and the thread is massless, the energy here is linked to the two masses.
Total kinetic energy of entire system = decrease in gravitational potential energy of the system.
Therefore, we have :
ΔKE = Δp
ΔKE = 4mgl - mgl
= 3 mgl
Total kinetic energy of entire system is 3 mgl
Answer:
I think c is the answer.....
Answer:
Shockwave!
Explanation:
a sharp change of pressure in a narrow region traveling through a medium, especially air, caused by explosion or by a body moving faster than sound.
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