Answer
given,
initial speed of the car (v₁)= 19.8 mi/h
final speed of the car (v₂)= 59.9 mi/h
a) initial momentum = m v₁
P₁ = 19.8 m
final final momentum = m v₂
P₂ = 59.9 m
ratio =
=
ratio of momentum=
b) initial kinetic energy= 1/2 m v₁²
K₁ = 196.02 m
final kinetic energy= 1/2 m v₂²
K₂ = 1794.005 m
ratio =
=
ratio of Kinetic energy=
Weight=mass x gravitational force
W=60 x 1/100 x 10
W=60 x 0.1
W=6N
Answer: Protons give the nucleus a positive charge.
Explanation:
Protons - Gives of positive charge
Neutrons - Gives of neutral charge (No charge)
Electrons - Gives off negitive charge
I know that ultrasounds are used to determine the sex of the fetus and its general health. I’m not sure about infrasounds.
Answer:
while all of the world can experience a solar eclipse it is not normally at the same time so one part of the earth might have it but not the other and even in one area if there is one in north america like the last one in texas we did not have a full eclipse