Based on the information in the graph, which of the atoms listed below is the most stable?
2 answers:
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Answer: time=4 hours
Explanation:
formula:
speed =
time =
time= x
speed = 120km/hr
distance = 480 km
x =
=
cut the zeros
and remove the signs
then
= 4
therefore, time taken to deliver the shipment by trucker is 4 hours
Answer:
14m/s
Explanation:
Given parameters:
Radius of the curve = 50m
Centripetal acceleration = 3.92m/s²
Unknown:
Speed needed to keep the car on the curve = ?
Solution:
The centripetal acceleration is the inwardly directly acceleration needed to keep a body along a curved path.
It is given as;
a =
a is the centripetal acceleration
v is the speed
r is the radius
Now insert the parameters and find v;
v² = ar
v² = 3.92 x 50 = 196
v = √196 = 14m/s