Two boat landings are 6 km apart on the same bank of a stream that flows at 2.3 km/h. A motorboat makes the round trip between the two landings in 50 minutes. What is the speed of the boat relative to the water?

Water flows through a pipe of radius 0.0250 m at 1.50 m/s. The pipe narrows to a radius of 0.0100 m. What is the new velocity of the water? (Unit = m/s)

When a cube of ice floats on water and it melts what will be the level of water after melting? Will it remain the same? increase? decrease? increase and then decrease?

Whick of the following quantities are vectors? A. the velocity of a sports car B. temperature C. the volume of water in a can D. the displacement of a tennis player from the backline of the court to the net E. the height of a building

A steel tank is to be positioned in an excavation. determine the requiredmagnitude of force p if the resultant of the two forces applied at a is to be vertical. what is the magnitude of the resultant force?

The gravitational force between two 0.800 kg balls is 8.92 x 10-11 N. How far apart are they?

Unauthorized access, modification, or use of an electronic device or some element of a computer system is called a) denial-of-service attack. b) spamming. c) hacking. d) hijacking.

Energy enables an object to do work. Work is done when A) no force is put on an object, and the object does not move in any direction. B) a force is put on an object, but the object does not move in any direction.

What is characteristic of both sound waves andelectromagnetic waves? (1) They require a medium. (2) They transfer energy. (3) They are mechanical waves. (4) They are longitudinal waves.

Explain how the bonds between water molecules affect its properties

What is walking, jogging, and map reading skills considered as