Which three elements have strong magnetic properties?

A.

iron, cobalt, and nickel

B.

lithium, sodium, and potassium

C.

neon, argon, and krypton

D.

boron, carbon, and silicon

What causes a wave to begin

A mango fruit of mass 20g hangs on a tree 8m high. Calculate its potential energy.

Subject: Science Why is it important to report experimental results honestly even when the results go against your hypothesis?

In 1864, Louis Pasteur was asked to investigate diseases afflicting the wine in Arbois, France. He discovered that these diseases were caused by micro-organisms that could be killed by heating the wine to 55 C for some time.

If the power goes out, so that the wheel's motor no longer provides any torque, how long will it take the wheel to come to a stop?

How do you get a resultant factor? A. Add two or more vectors B. Add two scalars C. Multiply two scalars D. Multiply two vectors

A panpipe is made of five pipes. The longest pipe is 25 centimeters long and the shortest is 5 centimeters long. Which of these pipe produces the highest-frequency sound and why?

Model rocket A is launched at an angle of 70° above the x axis, with an initial velocity of 40 m/s. An identical rocket B is launched under the same conditions at an angle of 90° above the x axis, also with an initial velocity of 40 m/s.

Why is it that when you throw a Frisbee, it flies better when it is normally thrown and not upside down?

Four blocks of weights are required using which any body whose weight is between 1kg and 40 kg can be weighed. Find the four weights