The answer is because too much carbon affects global warming. that can burn fossil fuels like coal , or gas and oil that can lead to cutting down forests.
ANSWER: Isaac Newton
EXPLANATION: It is the 3rd law
Answer:
a)W= 1 J
b)W= 1 J
c)W= 0 J
Explanation:
Given that
m = 5 kg
Coefficient of kinetic friction,K=0.5
d= 10 cm
We know that if velocity is constant it means that the acceleration of the system is zero.Or we can say that all forces are balance in the system.
We know that work is the dot product of force and displacement
W= F.d
The friction force on the box
Fr= K m g
Fr= 0.5 x 5 x 10 = 25 N ( take g =10 m/s²)
Fr=25 N
a)
Acceleration a= 0
So horizontal force F = Fr
W = Fr.d
W=10 x 0.1 J
W= 1 J
b)
The work done by friction force
W= 1 J
c)
The net force on the system is zero because acceleration is zero.
F= 0
So
W= 0 J
I’m not sure maybe attach a image or something
Answer:
Explanation:
To calculate the period we need the formula:
Where 
is the radius of the moon, 
is the universal constant of gravitation and 
is the mass of mars.
The period of Phobos:
The period of Deimos:
The ratio of the period of Phobos and Deimos:
Most terms get canceled and we have:
According to the problem
so the ratio will be:
≈
the ratio of the period of revolution of Phobos to that of Deimos is 0.2528
