Natural gas, nuclear reactions, wind, water
<span>The answer is "0.5N".
According to the question;
P1=P2
so,
F1/A1= F2/A2
P=(F/A)
A1=100mm</span>²
<span>
F1= 10N
A2= 5mm</span>²
<span>
F2= ?
F2= ((F1 x A2)/A1)
= ((10 x 5) /100)
=50/100
=0.5N</span>
Answer
given,
angle with horizontal = 12°
constant speed with the slope = 1 m/s
Work on the skier to move 8 m = 900 J
a) Rope moved with constant speed
change in kinetic energy is equal to zero
work done by the force of the rope = 900 J
rate of force of the rope when skier move with
b) v = 1 m/s total time t = 8 s
Power =
=
= 112.5 W
c) v = 2 m/s total time t = 8/2 = 4 s
Power =
=
= 225 W
Answer:
Potential Energy stored = mgh ; m : mass, g : gravitational acceleration (let 10m/s) , h : height
Hence,
Energy Stored in the ball = mgh = (2*10*4) J
= 80 Joules!
Answer:
d) precipitation
Hope it helps you
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