Answer:
2700
Explanation:
because calculate the minute1=60×45=2700
<h3>
Answer:</h3>
1.3 Amps
<h3>
Explanation:</h3>
<u>We are given;</u>
A circuit with resistors, R1 and R2
R1 = 7 Ω
R2 = 11 Ω
Voltage = 24 V
We are required to calculate the current in the circuit.
<h3>Step 1: We need to find the effective resistance.</h3>
When resistors are arranged in series, the effective resistance is calculated by;
Rt = R₁ + R₂ + R₃ + ..........Rₙ
Therefore;
Total resistance = 7 + 11
= 18 Ω
<h3>Step 2: Calculate the current in the circuit</h3>
From the ohm's law;
V = IR
Rearranging the formula;
I = V/R
Thus;
I = 24 V ÷ 18 Ω
= 1.333 Amps
= 1.3 Amps
Thus, the current in the circuit is 1.3 Amps
Dust particles fall down when we hit the carpet or a piece of cloth with a stick because it loses it inertia of rest and move forward, but dust particles fall down in absence of the carpet.
Answer:
His third law states that for every action (force) in nature there is an equal and opposite reaction. In other words, if object A exerts a force on object B, then object B also exerts an equal and opposite force on object A. ... In reaction, a thrusting force is produced in the opposite direction.
Explanation:
Since you're walking opposite to the motion of the walkway, the speed
that you walk subtracts from the speed of the belt. Relative to the ground
(the floor of the building), your speed is
(3.4 m/s - 1.5 m/s) = 1.9 m/s
To cover the 84-m length of the walkway, it takes you
(84 m) / (1.9 m/s) = 44.2 seconds .
If you had just stood still and gone with the flow, it would have taken
(84 m) / (3.4 m/s) = 24.7 seconds .
Whereas, if you were willing to put forth the extra effort to keep
walking on the walkway, and had walked forward instead of
backward, then you would have moved at (3.4 + 1.5) = 4.9 m/s
relative to the stationary floor, and you would have covered the
full length of the walkway in only
(84 m) / (4.9 m/s) = 17.1 seconds .
In other words, once you jumped onto the walkway, you had
three options:
-- Stand still, for 24.7 seconds;
-- Walk forward, save 7.6 seconds;
-- Walk backwards, lose 19.5 seconds !
Being in a hurry, your decision to walk backwards was the worst choice.
It was not only totally inexplicable, but it also most likely irritated the other
people on the walkway, as they met you and had to all scrunch to one side
to let you go by in reverse.
It's not surprising that you had to hurry to catch your flight, I'm guessing
that you often miss them.