Answer:
the pressure decreases. Once it reaches 0 the pressure is 0.
Step-by-step explanation:
you can check this by plugging in values like -0.999 and 0.1 to see
Speed = distance/ time
Car : 450m/1min
Train: 69km/45 min
Answer:
30⁰ , 60⁰ , 90⁰
Step-by-step explanation:
Let the angles x , 2x , 3x
By angle sum property:
x + 2x + 3x = 180⁰
6x = 180⁰
x = 30⁰
Angles are : 30⁰ , 60⁰ , 90⁰
