A fisherman uses sonar to find a shoal of fish. A pulse of ultrasound is sent out and the reflection is detected 0.4 seconds later.

How long did it take the sound to travel from the boat to the fish?

Which of the following angles is not coterminal with the other three? a. 591° b. 231° c. 51° d. - 129°

Example of moving properly for a push-up?

Which type of wire would have the least resistance? A. thick, short, hot B. thick, long, hot C. thin, short, hot D. thin, long, cold E. thick, short, cold

What are two forces that are not equal in size?

If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? A. 2.5 B. 3 C. 7 D. 10

What happens when you put a galvanized zinc nail in copper solution for an hour? Does is rust or turn different color? What is the outcome? What happens after an hour in vinegar?

Psuedopod in a sentence

Study the scenario. As a spacecraft moves beyond Pluto, its thrusters are turned on for a short time to boost its speed to approximately 32,500 mi/h. The thrusters are then turned off.

What produces an electromagnetic wave? A) An oscillating or accelerating electric charge B) An electric charge moving at constant velocity C) A static electric charge D) A magnetic monopole moving at constant velocity

A physics book has a height of 25.8 cm, a width of 20.2 cm, and a thickness of 2.90 cm. (a) What is the density of the physics book if it weighs 20 N? kg/m³ (b) Find the pressure that the physics book exerts on a desktop when the book lies face up.