The total power delivered by the battery is 32W.
<h3>
What is total power?</h3>
The total power in a series circuit can be described as one that is equal to the sum of the power that is been dissipated by the individual resistors.
The total power delivered by the battery can be calculated using the formula below:
Pp= [(Δv)^2/ R]
=4 [(Δv)^2/ 2R]
=4Ps
where Ps= power in the series = 8.00 W
R= resistance
=4*8W
=32W
Therefore, total power delivered by the battery is 32W.
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Positive reinforcement you give praise and treats when they get something right negative you punish them for getting something wrong. Positive builds confidence and drive to get something right and negative builds fear of doing something wrong
In position #1, at time t₁ = 0, the coordinates are (1.1 m, 3.4 m).
That is,
x₁ = 1.1 m, y₁ = 3.4 m.
In position #2, at time t₂ = 3.0 s, the coordinates are (5.3 m, -0.5 m).
That is,
x₂ = 5.3 m, y₂ = -0.5 m.
The x-component of the average velocity is
Vx = (x₂ - x₁)/(t₂ - t₁)
= (5.3 - 1.1 m)/(3 - 0 s)
= 1.4 m/s
Similarly, the y-component of the average velocity is
Vy = (-0.5 - 3.4)/3
= -1.3 m/s
Answer
The x and y components of the average velocity are 1.4 m/s and -1.3 m/s respectively.
Answer:
0.43 s
Explanation:
speed (s) = 95 mi/h = 95 x 1600/3600 = 42.5 m/s (converting to m/s)
distance (d) = 60 ft 6 inches = (60 x 0.3048) + (6 x 0.025) = 18.44 m (converting to meters)
speed = distance / time
time = distance / speed = 18.44 / 42.5 = 0.43 s
The initial velocity of the hockey puck is obtained as 22 m/s.
<h3>What is the frictional force?</h3>
The frictional force of the hockey puck is the force that causes it to stop. Now;
Ff = μmg
Ff = 0. 51 * 0.16 Kg * 9.8 m/s^2
Ff = 0.8 N
Now;
F = mv^2/2x
Where;
m = mass
v = velocity
x = distance
v =√ 2xF/m
v = √ 2 * 47.7 * 0.8 / 0.16
v = 22 m/s
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