Answer:
70.7m/s
Explanation:
V = ( v + u)
_____
2
V = average velocity
v = final velocity
u = initial velocity
velocity = distance
______
time
u (initial velocity) = 33 ÷ 2
change mins to seconds
1 min = 60 secs
2 mins = ?
cross multiply
60 × 2 = 120 secs
u = 33 ÷ 120
u = 0.275m/s
v ( final velocity) = 29 ÷ 1.3
change mins to secs
1 min = 60 secs
1.3 mins = ?
cross multiply
1.3 × 60 = 78 secs
v = 29 ÷ 78
v = 0.371 m/s
V = ( v + u )
_____
2
V = ( 0.371 + 0.275)
____________
2
V = 0.51 m/s
Conrad’s physician has determined that the damaged that causes
his change of behavior is the amygdala. The amygdala is the gray matter of the
cerebral hemisphere in which is responsible for making an individual have
emotions for it is the emotional center. Thus, it makes Conrad changed because
this could have been damaged, making his behavior to change.
Answer:
F= 4788 N
Explanation:
Because the car moves with uniformly accelerated movement we apply the following formula:
vf²=v₀²+2*a*d Formula (1)
Where:
d:displacement in meters (m)
v₀: initial speed in m/s
vf: final speed in m/s
a: acceleration in m/s²
Data
d=36.9 m
v₀=14.0 m/s m/s
vf= 0
Calculating of the acceleration of the car
We replace dta in the formula (1)
vf²=v₀²+2*a*d
(0)²=(14)²+2*a*(36.9)
-(14)²= (73.8) *a
a= - (196) / (73.8)
a= - 2.66 m/s²
Newton's second law of the car in direction horizontal (x):
∑Fx = m*ax Formula (2)
∑F : algebraic sum of the forces in direction x-axis (N)
m : mass (kg)
a : acceleration (m/s²)
Data
m=1800 Fkg
a= - 2.66 m/s²
Magnitude of the horizontal net force (F) that is required to bring the car to a halt in a distance of 36.9 m :
We replace data in the formula (2)
-F= (1800 kg) * ( -2.66 m/s²
)
F= 4788 N
Thus, area is the product of two lengths and so has dimension L2, or length squared.
Answer:
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Explanation:
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