Answer: Magnitude of the average force exerted on the glove by the other boxer is 827.86 N (approximately 828 N).
Explanation: Impulse is defined as the force acting on an object for a short period or interval of time. 
Mathematically it is given by the relation:
Impulse = Force  Time
 Time
According to the numerical values given in the question, I = 202 Ns and T = 0.244 s
So, Force F =  =
 =  = 827.86 N
 = 827.86 N 
Magnitude of the average force exerted on the glove by the other boxer is 827.86 N (approximately 828 N).
 
        
             
        
        
        
Answer:
  R = 4.24 x 10⁻⁴ m
Explanation:
given,
mass of the person = 60.3-kg
mass of the bullet = 10 gram = 0.01 Kg
velocity of bullet = 389 m/s
angle made with the horizontal = 45°
using conservation of momentum.
M v  + m u  = ( M + m ) V
60.3 x 0 + 0.01 x 389 = (60.3 + 0.01) V


V = 0.0645 m/s
for calculation of range


      R = 4.24 x 10⁻⁴ m
the distance actor fall is   R = 4.24 x 10⁻⁴ m
 
        
             
        
        
        
Answer:
A & D
Explanation:
A single-displacement reaction is a chemical reaction whereby one element is substituted for another one in a compound and thereby generating a new element and also a new compound as products.
From the options, only options A & D fits this definition of single-displacement reactions.
For option D: Both left and hand and right hand sides each have one element and one compound. We can see that K is substituted from KBr to join Cl to form KCl and Br2 on the right hand side.
For option A: Both left and hand and right hand sides each have one element and one compound. We can see that OH is substituted from 2H2O to join Mg to form Mg(OH)2 and H2 on the right hand side.
The other options are not correct because they don't involve only and element and a compound on each side of the reaction. 
 
        
                    
             
        
        
        
Physics - Damon, Wednesday, December 9, 2015 at 5:13am
F = k x 
k = 2 g/6.1 cm 
2.5g = (2g/6.1cm) x 
x = 6.1 (2.5/2) cm
        
                    
             
        
        
        
Here you go it was too long to type