Answer:
N = 148.10N
Explanation:
GIVEN
Weight =125 N
force = 35
angle =42°
since there is no vertical acceleration
from
free body diagram


Answer:
Gravitational energy
Explanation:
when over head , when it hits the floor thermal energy
Answer:
The value of spring constant is 266.01 
Explanation:
Given:
Mass of pellet
kg
Height difference of pellet rise
m
Spring compression
m
From energy conservation law,
Spring potential energy is stored into potential energy,

Where
spring constant, 



Therefore, the value of spring constant is 266.01 
The person should start to slow down but if close enough or in the intersection go threw. Otherwise come to a complete stop until the light turns green again