A boat moves at a speed of 15 km/h in still water. The river it is traveling in flows at a rate of 3 km/h downstream. What is the velocity of the boat if it travels downstream? What is the velocity of the boat if it travels upstream?

What creates Earth's magnetic field? A) movement of ocean plates B) mantle convection currents C) continental plate movement D) radiation

A car and truck are traveling at the same speed. Which has greater momentum? Why?

Which substance below has the strongest intermolecular forces? which substance below has the strongest intermolecular forces? c3x2, δhvap = 36.4 kj/mol dx2, δhvap = 23.3 kj/mol ey3, δhvap = 21.5 kj/mol a2x, δhvap = 39.6 kj/mol by2, δhvap = 26.

Sailin Steve likes to test the buoyancy of different objects. He threw a spherical object into a fluid that has a greater density than the object does. He also threw a square object into the fluid that has a greater density than the fluid.

Convert 2.5 cm to m.

What is the percent composition of sulfur compound that contains 20.8 g carbon and 54.4 g sulfur?

Which of the following is an example of heat transfer by conduction? A. The upstairs of a house being warmer than the downstairs B. Burning your finger on a hot match C. The sun warming your skin D. Being warmed by a fire on a cold night

How much did John save in his 401 (k) in the 2014 tax year?

Explain why the chemical released from the injured fish may not cause in a wa why the chemical released from the injured fish may not cause in alarm response in other fish species

hat historical figure was responsible for developing the system for categorizing living things that is still used today? A) Sir Isaac Newton B) Carolus Linnaeus C) Benjamin Franklin D) Galileo