Age-related loss of taste can be due to a(n) __________ number of sensory receptors
1 answer:
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<h2><u>Full Question:</u></h2>
The table shows the changes in velocity for several different cars. Each change takes place over a 10-second interval. Which cars are either
speeding up or slowing down?
Starting Velocity
Ending Velocity
Car A
30 km/h
30 km/h
Car B
O km/h
20 km/h
Car C
30 km/h
O km/h
Car D
O km/h
O km/h
Car E
20 km/h
30 km/h.
<h2><u>Answer:</u></h2>Acceleration is present in car B and E.
Deceleration is present in car C.
No change in velocity is seen in car A and D.
<h3><u>Explanation:</u></h3>Acceleration is defined as the rate of change of velocity with time and is having a dimensional formula of
When a body is having acceleration, the body has more final velocity than initial velocity. Deceleration is the opposite of acceleration which is seen when the body has less final velocity than initial velocity.
In A:
Initial velocity= 30 km/hr.
Final velocity= 30 km/hr.
So change in velocity = 30-30 km/hr = 0 km/hr.
So no acceleration is present.
In B:
Initial velocity= 0 km/hr.
Final velocity= 20 km/hr.
So change in velocity = 20-0 km/hr = 20 km/hr.
So acceleration is present.
In C:
Initial velocity= 20 km/hr.
Final velocity= 0 km/hr.
So change in velocity = 0-20 km/hr = -20 km/hr.
So deceleration is present.
In D:
Initial velocity= 0 km/hr.
Final velocity= 0 km/hr.
So change in velocity = 0-0 km/hr = 0 km/hr.
So no acceleration is present.
In E:
Initial velocity= 20 km/hr.
Final velocity= 30 km/hr.
So change in velocity = 30-20 km/hr = 10 km/hr.
So acceleration is present.