You apply a 100N force to a 20kg block. It doesn't move. Why? What is the mass? Draw a free body diagram.

What is a possible result of higher air temperature caused by global warming

Erosion in this area is most likely caused by (hilly are with lots of sand)

How to find initial velocity in projectile motion problems when you are not given the vlocity?

Which best describes the shape of a convection current? linear spiral circular wave

A helium atom (m = 6.646 * 10-27) collides elastically with an oxygen atom (m = 2.656 * 10-26) at rest. After the collision, the helium atom is found to be moving with a velocity of 6.636*106 m/s in a direction at an angle of 84.

A rectangular block has dimensions 2.9 cm x 3.5 cm x 10.0 cm. the mass of the block is 615.0 g. what is the volume and density of the block? (answer it with correct numbers of significant figures)

Which of the following are products of cellular respiration? Sunlight Oxygen ATP Water Carbon Dioxide

Do magnetic field lines ever start or end anywhere?

What effect do oceans have on the temperature of coastal areas? A. Ocean breezes warm the coastal land constantly. B. Ocean currents always cool a coastline. C. Ocean winds prevent extremes of temperature on coastal lands. D.

Vf=vi+at solve for t