1 Joule IS 1 newton-meter.
Answer:
9.495 m/s
Explanation:
initial horizontal speed, ux = 2.60 m/s
initial vertical speed, uy = 0
height, h = 4.60 m
acceleration due to gravity, g = 9.8 m/s^2
Let the speed of fish is v as it hits the water level.
Use third equation of motion in vertical direction
v = 9.495 m/s
Thus, the fish hits the water level with the speed of 9.495 m/s.
Specific heat formula is Q=M*C*ΔT
Q is amount of energy (4786 J)
M is mass (89.0 g)
C is specific heat (unknown, answer will be in J/gºC)
ΔT is the change in temp (89.5-23.0=66.5ºC)
Let's plug it in.
4786=89.0(C)(66.5)
4786=5918.5(C)
/5918.5
C=.8086508406 J/gºC
with sig figs...
C=.809 J/gºC
Answer:
If one charged object is positive, and the other charged object is negative, then the two objects will attract each other. If both objects are positive, the objects will repeal each other. If both objects are negative, the objects will also repeal each other.
I believe it is the last one!