Which of the following is a vector quantity? A. The volume of a liquid B. The weight of a physics book C. The displacement of walking around a running track D. Both B and C

A rollercoaster car reaches a velocity of 2 m/s at the top of a hill and begins to accelerate down the hill. 4.5 seconds later it has reached the bottom of the hill and is traveling with a velocity of 11 m/s.

If you wanted to describe an increase in volume to your class, which of the following would be the best item to use? A. a wooden box with holes B. a soccer ball and a pump C. ice in a glass and a thermometer D. a rock and a cup of water

Seja uma carga Q=1.2*10 (-8) C no vácuo, distando 40 cm de um ponto M e 50 cm de um ponto N. Determine os pontencias no ponto M e no ponto N. (Dados K=9*10^9 Nm^2/C)

The blue end of the visible color spectrum has wavelengths, and the red end has wavelengths.

Which characteristics is common to renewable energy resources?

What is the arrangement of the forms of electromagnetic radiation according to their wavelengths?

A helium atom consists of two protons, two electrons, and two neutrons. In the helium atom, the strong force is a fundamental interaction between the (1) electrons, only (2) electrons and protons (3) neutrons and electrons (4) neutrons and protons

What is the term for water droplets that have accumulated in the air until they have become so heavy they have fallen back to earth?

What is resonance? How is the velocity of sound in air determined by resonance tube method?

An astronaut in space pushes a piece of equipment to get it into the correct position. What does Newton's third law of motion tell us about this?