an engine moves a boat through the water at a constant speed of 15 m/s. Then engine must develop a thrust of 6.0 kN to balance the force of drag from the water acting on the hull. Determine the power output of the engine.

Which type of mountain is created when rock layers are pushed up by forces inside the Earth?

A spy satellite is in circular orbit around Earth. It makes one revolution in 4.00 h. Mass of Earth is 5.974 * 1024 kg, radius of Earth is 6371 km and Gravitational constant G is = 6.674 * 10-11 N·m2/kg2.

As Merrill watches his finger with both eyes open as he brings his finger closer to his nose, he feels his eye muscles working. Which depth cue is associated with the feeling he is getting from his eye muscles?

Sentence for cell wall

A team of scientists are studying three species of frogs. How would the scientists use comparative anatomy and molecular biology to determine which two of the three species of frogs share the most recent common ancestor

Two masses are separated by 1 m. suppose the masses are moved so they are 2 m apart how will the gravitational force change

Bob rubs a piece of fur on a hand rubber rod, giving the rod a negative charge. what happens?

The period of a simple pendulum is 3.8 s. the length of the pendulum is doubled. what is the period t of the longer pendulum? t = s

True or false - sound waves can travel across outer space.

In which one of the following locations can a person hear the echo of a sound? a. At least 33.2 meters behind the reflecting surface b. Less than 16.6 meters in front of the reflecting surface c. Less than 33.2 meters behind the reflecting surface d.