Answer: the correct option is A ( do not require attention)
Explanation:
A property of control processes in the modal model of memory is that they do not require attention.
Explanation:
Below are attachments containing the solution.
Let
M = the mass of the planet
n = the mass of the satellite.
r = the radius of the planet
When the satellite is at a distance r from the surface of the planet, the distance between the centers of the two masses is 2r.
The gravitational force between them is
where
G = the gravitational constant.
When the satellite is on the surface of the planet, the distance between the two masses is r.
The gravitational force between them is
Answer:
Answer:
Explanation:
The equation for acceleration is
where vf is final velocity, v0 is initial velocity and t is time in seconds. But we have a problem here because the initial velocity is given in km/hr while the distance is given in meters. We are going to change 50.0 km/hr to m/sec:
which gives us an initial velocity of
v = 13.9 m/s
But that still doesn't give us anything for the time, which is the denominator of the acceleration equation. We have to find it. Since this is one-dimensional travel, use d = rt to find the time it took for the car to travel 35 meters at a rate of 13.9 m/s:
35 = 13.9t and
t = 2.5 seconds. Now we can use that in the acceleration equation:
so
a = -5.6 m/s/s The negative sign tells us that the car is slowing down, as we would expect it to be when it is traveling at a certain rate and eventually stops.