Tamika goes on a run every morning in the summer to stay in shape for soccer in the fall. she runs 2.5 miles in 20 minutes. what is her average speed in miles per hour?

What is the total energy of all the particles in an object? endothermic energy exothermic energy thermal energy temperature

Assume that 10 J of work is needed to push a charge, at rest, into an electric field. After the charge is released there, it flies back to its starting position and its kinetic energy there will be a) zerob) more than 10 Jc) 5 Jd) 10 Je) impossible

What is hemispheric specialization?

The muzzle velocity of a 50.0 g shell leaving a 3.00 kg rifle is 400. m/s. What is the recoil velocity of the rifle?

Which one of the following letters is used as an abbreviation for electric current? A. A B. E C. C D. R

Fourteen billion years represents the approximate age of?

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