We have that the time it will take Jupiter to around the sky is mathematically given as
Psyn=295days
<h3>Time for Jupiter to around the sky</h3>
Question Parameters:
If it takes Jupiter 13 years to orbit the Sun.
Generally, The earth moved a bit further, one Jupiter period ago, This is called synodic period
Psyn=295days
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Answer:
Time taken to reach your destination will be 10hours
Explanation:
Recall the formula for Speed;
speed=Total distance/Total time taken
Speed=2km/h
Total distance=20km
Time taken=x
let x be the unknown time taken
Input each values into the formula;
2=20/x
Making x subject of the equation
x=20/2
x=10
Total time taken =10hours.
If you have fifty 15-ohm resistors all connected in parallel, their "effective" resistance is (15/50) = 0.3 ohms.
Current = (voltage) / (resistance)
Current = (115 V) / (0.3 ohm)
<em>Current = 383.3 Amperes</em>
This is an interesting question, with a VERRRRY interesting answer. The fuse or circuit breaker that feeds the outlet where these lights are plugged in is most likely rated 15 or 20 or 25 Amperes, and it trips immediately.
But let's say it doesn't ... let's say the juice just keeps on flowing.
Power = (voltage) x (current)
These lights use energy at the rate of (115V)x(383.3A) = 44,083 watts. This is roughly the same as the power used to run 22 toasters or 37 blow-dryers, all at the same time. AND ... the lights are going to produce almost as much <u>heat</u> as 22 toasters or 37 blow-dryers all running at the same time. The lights will probably burn the house down before long.
If electrical energy costs 20¢ per kilowatt-hour in this city, then running those lights for ONE HOUR is going to cost $8.82 !
All in all, it will be a good idea to unplug the Christmas tree lights when the family goes to bed.
Answer:
F = 11046 N
Explanation:
given,
mass of the baseball (m)= 145 g = 0.145 Kg
horizontal speed(u) = -36 m/s
ball hit is straight back(v) = 47.8 m/s
time of contact = ?
using formula of impulse
Impulse = change in momentum
I = m v - m u
I = 0.145 x (47.8 - (-36))
I = 0.145 x (83.8)
I = 12.151 kg.m/s
we also know
I = F x t
now,
F x t = 12.151 kg.m/s
F x 1.1 ms = 12.151
F = 11046 N