A projectile is fired at v 0 = 394.0 m/s v0=394.0 m/s at an angle of θ = 70.5 ∘ θ=70.5∘ , with respect to the horizontal. Assume that air friction will shorten the range by 28.1 % 28.1% . How far will the projectile travel in the horizontal direction, R R ?

An alligator swims to the left with a constant velocity of 5 \,\dfrac{\text{m}}{\text s}5 s m ? 5, space, start fraction, m, divided by, s, end fraction. when the alligator sees a bird straight ahead, the alligator speeds up with a constant acceleration of 3 \,\dfrac{\text {m}}{\text s^2}3 s 2 m ? 3, space, start fraction, m, divided by, s, start superscript, 2, end superscript, end fraction leftward until it reaches a final velocity of 35 \,\dfrac{\text {m}}{\text s}35 s m ? 35, space, start fraction, m, divided by, s, end fraction leftward. how many seconds does it take the alligator to speed up from 5 \,\dfrac{\text {m}}{\text s}5 s m ? 5, space, start fraction, m, divided by, s, end fraction to 35 \,\dfrac{\text {m}}{\text s}35 s m ? 35, space, start fraction, m, divided by, s, end fraction?

Which of the following are guidelines to follow for obtaining accurate observations

The ph is the a.independent variable b.the dependent variable c.control group