Answer:
A. 8.5 m/s
Explanation:
vᵧ = v sin θ
vᵧ = (20 m/s) (sin 25°)
vᵧ = 8.5 m/s
I took the test and got A) 8.5 correct
45 kg * 9.8 m/s^2 = 441 N.
Answer:
The force of a mass's weight is defined as its mass * acceleration due to gravity.
On Earth, g is about 9.8 m/s^2. This will be the acceleration due to gravity.
Then, 45 kg * 9.8 m/s^2 = 441 N.
B.) a magnetic material
C.) a nonmagnetic material
B To attract mates
C To orient them selves and find food
D To tell animals of there species where they are