Medical imaging would be best suited for which situation(s)?
2 answers:
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Answer:
Power, P is equal to 10 watts.
Explanation:
Given the following parameters;
Voltage drop, V = 50volts.
Resistance, R = 250ohms.
Power, P =?
The power developed in an electrical circuit is given by;
......equation 1
But we also know that;
Ohm's law states that at constant temperature, the current flowing in an electrical circuit is directly proportional to the voltage applied across the two points and inversely proportional to the resistance in the electrical circuit.
Mathematically, V = IR
Making I the subject of formula;
I = V/R
Substituting into equation 1;
P = (50²)/250
P = 2500/250
P = 10 watts.
The final velocity is +15.0 m/s
Explanation:
The motion of the cart is a uniformly accelerated motion (=at constant acceleration), therefore we can use the following suvat equation:
where
v is the velocity at time t
u is the initial velocity
a is the acceleration
t is the time
For the cart in this problem, we have:
u = +3.0 m/s (initial velocity)
(acceleration)
t = 8.0 s (time)
Substituting, we find the final velocity:
Learn more about accelerated motion:
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