Answer:
cause it takes a lotof energy to melt
Explanation:
Answer:
Focal length is 12 cm
Nature is Convex lens
Explanation:
Object distance=p= 10 cm
Image distance =q = -60 cm (Image is at the same side)
focal length= f = ?
According to lens equation
1/f = 1/p + 1/q
1/f = 1/10 + 1/(-60)
1/f = 1/10 - 1/60
1/f = 5/60
or
f= 12 cm
(It is a convex lens because focal length is positive)
C.Air pressure is lower between the buildings
hope that helps :)
Answer:

Explanation:
I think there are some repetitions in the question which may be due to typographical errors. The correct question should have been as stated below:
An airplane flies eastward and always accelerates at a constant rate. At one position along its path, it has a velocity of 32.3 m/s . It then flies a further distance of 41300 m, and afterwards, its velocity is 43.1 m/s . Find the airplane's acceleration.
This problem could be solved using the third equation of a uniformly accelerated motion, since the airplane is said to accelerate at a constant (uniform) rate. The equation is given by;

where v is the final velocity, u the initial velocity, a acceleration and s distance.

We substitute these values into the equation and then solve for the unknown;
