An object, m=1.7 kg, is dropped from a ladder 2 m off the ground. What is the velocity of the object right before its hits the ground?

If a bowling ball hits a wall a force of 6 N, the wall exerts a force of how much back. on the bowling ball

Using a cathode ray tube, Thomson confirmed that atoms must have an overall positive charge. atoms are made of particles that have a negative charge. electrons in atoms must have varying amounts of energy. electrons are only found in the nucleus.

What is the study of the relationships that exist between forces and the motion of objects

Draw vectors representing the forces acting on the small sphere and the acceleration of the sphere when the pendulum rod is vertical. Draw the vectors starting at the sphere. The location and orientation of the vectors will be graded.

What does the energy of an electromagnetic wave depend on?

How long did it take to reload a rifle during the 18th 19 century?

Oil flows upward in the wick of a lantern because of the liquid property called A. meniscusity. B. capillarity. C. density. D. viscosity.

A high-mass star has more "fuel" than a low-mass star. which lives longer? why?

Suppose that, while lying on a beach near the equator of a far-off planet watching the sun set over a calm ocean, you start a stopwatch just as the top of the sun disappears. you then stand, elevating your eyes by a height h = 1.

Suppose you want to know if the color of peoples hair affects how warm it can keep their heads. describe the skills you would use to conduct an experiment to test your inquiry