Answer:
The forces could be gravity, friction between the car and the ground, the force Katie is applying and the normal reaction.
Answer:
C and D
Explanation:
Its possible to use telescopes during the day time.
Gamma rays were found on earth's atmosphere.
The closer together they are the harder it is to hold on to because the magnetic field is stronger as it gets closer.
Answer:
D. The electromagnet's magnetic field is stronger close to it than far from it.
Answer:
v = 282.84 m / s
Explanation:
The speed of a wave in a wire is given by the equation
.v = √ T /ρ
Where v is the speed of the wave, T the tension in the wire and ρ the density of the wire
If the tension is doubled
T = 2T₀
v = √ (2T₀ / ρ)
v = √2 √ T₀ / ρ
v = √2 v₀
calculate
v = √2 200
v = 282.84 m / s
Answer:
the net energy Gained per hour equals 30Kcal/h