A chemist needs to order an element that will not react with any other element. Which element should he order

A ball is tossed straight up with an initial velocity of 13.6 m/s. A) how high will it go? B) how long is the ball in the air?

What is the force of friction acting on an object that has an applied force of 10 N and is moving at a constant velocity of 3 m/s to the right?

The greatest amount of energy Listed down here 1. joule 2. watt 3. watt-hour 4. newton-meter

Astronomers now classify pluto as really just a large member of

Which of the following is most likely to be attracted to a magnet? A. A school textbook B. A piece of glass C. An electromagnet D. A copper wire

An engineer uses aluminum to build an airplane rather than composite materials that are lighter and stronger. He does this because he is concerned about the composite materials and how suddenly they can fail. This is an example of:

Teresa wanted to test the effects of liquid density on the speed of sound waves. what is the dependent variable in her experiment?

A proton (mass = 1.67*10-27 kg, charge = 1.6*10-19 C) travelling with speed 1*106 m/s enters a region of space containing a uniform magnetic field of 1.2 T. What is the time t required for the proton to re-emerge into the field-free region? t =

A scientific_ is a rule used to discribe a pattern seen in nature not an examplanation of why that patten might occur

A beaker contains 450g of water at a temperature of 24C, The therman capacity of the beaker is negligible and no heat is gained by, or lost to, the atmosphere.