What is the net force on this object f air = 400n (up) fgrav=600n (down)

a (600 newtons)

b (400 newtons)

c (0 newtons)

d (200 newtons)

What is the gravitational potential energy of a clock that has a mass of 4.0 kg and is positioned 1.5 m off the ground?

How did Einstein reconcile the ideas that motion is relative and the speed of light is a constant?

Explain why atomic radius decreases as you move to the right across a period for main-group elements but not for transition elements. Match the words in the left column to the appropriate blanks in the sentences on the right.

Which of the following describes a training program that involves a variety of activities? A. progressive training B. cross-training C. overtraining D. multitraining

How many electrons can exist on the following energy levels

A body is thrown up with a velocity of u ... it reaches maximum height of h ... if its velocity is doubled the maximum height it reaches is?

A heating pad has several strips of heater wire connected in parallel. Consider eight of the wires, each with 4Ω resistances, connected to a 12V power source. given this scenario answer the following questions A.

Who first arranged the elements according to atomic mass and noticed a periodic recurrence of their physical and chemical properties? A. Henry Moseley B. Antoine Lavoisier C. John Dalton D. Dmitri Mendeleev

If the road is wet the thinking distance will be longer. True or false. Why?

You are working on a curcuit that starting to get too much current. What could you do to slow down the electron flow? A) add more watts B) increase resistance C) increase voltage D) add more volts