Answer:
It is about 490 Newtons. 490.3325 to be exact
Explanation:
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Answer:
W_net = 57.57J
Explanation:
We are given;
Mass of canister; m = 2kg
Initial velocity of the canister; v_i = 2.2 m/s
Final velocity of the canister; v_f = 7.9 m/s
From work energy theorem, the net work done is equal to the change in kinetic energy. Thus;
W_net = ΔKE
W_net = KE_f - KE_i
W_net = (1/2)mv_f² - (1/2)mv_i²
W_net = (1/2)m(v_f² - v_f²)
Plugging in the relevant values to give;
W_net = (1/2)(2)(7.9² - 2.2²)
W_net = 57.57J
Answer:
The acceleration of an object is 4 m/s².
Explanation:
The object is thrown from a building 100 meters above the ground, with an initial velocity of 10 meters per second and a flight time of 5 seconds.
It is required to find the acceleration of the object. Let a is the acceleration. Using second equation of kinematics to find it as :
So, the acceleration of an object is 4 m/s².
Answer:
Explanation:
1.)
2.) COP
3.) Rate of heat absorption
COP
Therefore, cooling in minutes=
COP cannot cycle=
Rate of heat absorption
cooling time in minutes with cannot cycle