What is a carbon whip?

Cross section of a solid circular rod is subject to a torque of t = 2.7 kn⋅m. if the diameter of the rod is d = 8 cm, what is the maximum shear stress?

A copper ball and an aluminum ball of mass 150 g each are heated to 100°C and then cooled to a temperature of 20°C. The heat lost by the copper ball is 4.6 kJ. The heat lost by the aluminum ball is 10.8 kJ.

If you were in a freely falling elevator and you dropped a pencil. it would hover in front of you. Is there a force of gravityacting on the pencil? Defend your answer.

If the 80 ohm resistor fails, will the 50 ohm and 100 ohm resistor continue to operate? Why or why not?

What happens when the forces acting on an object are not balanced

There have been books written about how blood type affects personality or body shape. Knowing that blood type is determined by antigens on erythrocytes, are these claims scientifically valid? O True O False

A stone is dropped from a 80m bridge. How long does it take to fall?

How does an iron nail become a rusty nail

What is the velocity of a bullet train that moves 400 meters west over 3 minutes anad 20 seconds?

While in empty space, an astronaut throws a ball at a velocity of 12 m/s. what will the velocity of the ball be after it has traveled 6 meters?