Answer:
absorb more heat and get heated quickly
Explanation:
 
        
             
        
        
        
Answer:
 
Explanation: Weight of space probes on earth is given by:
W= weight of the object( in N)
m= mass of the object (in kg)
g=acceleration due to gravity(9.81  )
)
Therefore,


Similarly,


Now, considering these two parts as uniform spherical objects 
Also, according to Superposition principle, gravitational net force experienced by an object is sum of all individual forces on the object.
Force between these two objects is given by:

G= gravitational constant ( )
) 
 = masses of the object
= masses of the object
R= distance between their centres (in m)(18 m)
Substituiting all these values into the above formula
 
This is the magnitude of force experienced by each part in the direction towards the other part, i.e the gravitational force is attractive in nature.
 
        
             
        
        
        
Answer:
37.33m
Explanation:
Using the equation of motion
S = ut + 1/2gt^2
Time t = 2.76secs
g = 9.8m/s^2
S = 0 + 1/2(9.8)(2.76)^2
S = 4.9*7.6176
S = 37.33
Hence the window is 37.33m above the ground
 
        
             
        
        
        
Answer:
1.30
Explanation:
To calculate the critical angle we have ti use the formula:

where theta_c is the critical angle, n1 is the index of refraction of the material where the light is totally reflected, and n2 is the refractive index of the other material.
By taking n_2 and replacing we obtain:

hope this helps!!
 
        
             
        
        
        
When speed is combined with strength it is power