if you increase either mass or velocity the momentum of an object increases proportionally if you double the mass or velocity you double the momentum.
Mass and velocity are both directly proportional to the momentum. If you increase either mass or velocity, the momentum of the object increases proportionally. If you double the mass or velocity you double the momentum.
The momentum is given by:
P=mv
Where P is momentum.
m is mass and v is velocity.
Therefore, the momentum is increased either by increasing mass or velocity.
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direction of the elevator's acceleration?
A. 0.23 m/s2 up
B. 1.3 m/s2 up
C. 6.5 m/s2 down
D. 11 m/s2 down
The magnitude and direction of the elevator's acceleration would be
Given the Parameters :
The Normalforce can be calculated using the relation :
Substituting the Parameters into the equation :
Scale reading > weight of woman (73 × 9.8)
810 < 715.4 (acceleration will be upward)
Therefore, the acceleration of the elevator would be
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Answer:
b
Explanation:
n = m(g +a)
n= normal force (N)
m=mass (kg)
g=acceleration of gravity
a= acceleration of elevator
rearrange:
a= n/m - g
a= (810 N/73 kg) - 9.8 m/s ^2
a= 1.3 m/s ^2 up
and the acceleration is upwards bc her weight is less than the scale reading
cinder volcano
hot vent volcano
shield volcano
Answer:
400 m
Explanation:
Given:
v₀ = 20 m/s
a = 4 m/s²
t = 10 s
Find: Δx
Δx = v₀ t + ½ at²
Δx = (20 m/s) (10 s) + ½ (4 m/s²) (10 s)²
Δx = 400 m
Answer:
Value of each charge is given as
Explanation:
As we know that electrostatic force between two charges is given as
here we know that
r = 0.100 m
now we have