7. Nancy has a mass of 60 kg and sits on the very end of a 3.00 m long plank pivoted in the middle. How much torque must her co-worker provide on the other end of the plank in order to keep Nancy from falling on the ground?

A baseball is thrown home plate at 40m/s ... the batter hits the ball and sends it flying at 60 m/s in the opposite direction. If this hit only took 0.01 seconds, then the acceleration of the ball is

What does the swinging thing called on the older standing up clocks?

A man pulls on his dogs leash to keep him from running after the bicycle. Which term best describes this example?

What branch of science does anatomy fall under?

Atoms, lons, and Isotopes Try Now Match the term with its description: 1.___Positive charge 2.___Smallest matter 3.___Atomic mass 4.___Where protons and neutrons are found 5.___Negative charge 6.___Where electrons are found 7.___Neutral charge A.

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

Formulas (equations) : A = 3x and B = 5x + 1 As x increases, does A or B go up faster? if x=0, then A=? if x=1 then B=?

Sound travels 2146 m through a material in 1.4 seconds. What is the material?

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time