Explanation:
This question is not feasible. There is no way to calculate the energy needed because the question is missing the final temperature
Answer:
-19.4 m
Explanation:
Given:
a = -1.77 m/s²
t = 3.33 s
v = -8.77 m/s
Find: Δx
Δx = vt − ½ at²
Δx = (-8.77 m/s) (3.33 s) − ½ (-1.77 m/s²) (3.33 s)²
Δx = -19.4 m
Answer:
A. 0.044 kg
Explanation:
We need to subtract the sum of (beaker+water - empty beaker) which is 0.106 kg - 0.062 kg = 0.044 kg. The answer will not be written in Newton because this unit is used for force only and in this question w have to find the weight.
Hope it is enough.
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Chemical change is two things get chemical reaction and produce a new product.
Answer:
d. Every second, the truck’s velocity increases by 3 km/h to the south.
Explanation:
Acelleration can be defined as change of velocity over change of time.
That's why if we say: "A truck accelerates 3 km/h/s south."
We are saying that the acceleration of the truck variate 3Km/h wich is velocity of the truck, and it variates every second and also its direction is south.