An aircraft carrier has a speed of 13.0m/s relative to the water. A jet is catapulted from the deck and has a speed of 67.0m/s relative to the water. The engines produce a 1550-Hz whine, and the speed of sound is 343m/s. What is the frequency of the sound heard by the crew on the ship

Protons have a positive charge and, collectively, give an element its atomic number.

Answer: it will take   4.36 seconds to reach her average velocity 10.69 miles/hour.explanation:   we have equation of motion ,where s is the displacement, a is the acceleration, u is the initial velocity and t is the time taken.average velocity = displacement/ time taken.average velocity = 10.69 miles/hr = 10.69*1.6*1000/(60*60) = 4.75 m/s4.75 = s/ts = 4. 1we also have acceleration = 2.18 m/s², initial velocity = 0 m/sso it will take   4.36 seconds to reach her average velocity 10.69 miles/hour.

The objects do not reach terminal velocity         there is not enough time from the time the object falls from when it hits the ground to achieve terminal velocity. an object must be placed higher to achieve terminal velocity in order to be in free fall.

Ithink it’s 98 because jajajjajansmsmjs