According to Newton's first law, which characteristic of a moving object would remain constant if there were no other forces

acting on it?

size

mass

shape

speed

Define a scalar. Give two examples of scalars that you have used recently

What's the main drawback of "concurrent think aloud," "retrospective think aloud," "concurrent probing", and "retrospective probing" approaches to usability testing?

When you walk along a floor, what pushes you along?

Differeniate between thermal energy and heat

A current of 19.5 mA is maintained in a single circular loop with a circumference of 2.30 m. A magnetic field of 0.710 T is directed parallel to the plane of the loop. What is the magnitude of the torque exerted by the magnetic field on the loop?

For slowly moving objects, the drag force in water is approximately proportional to the speed of the object. The Escherichia coli (E. coli) bacterium propels itself slowly through water by means of long, thin structures called flagella.

How do electric and magnetic fields interact to create electromagnets?

Select the correct answer from each drop-down Two magnets are placed as shown in the 00 В D between the poles B and . And the force of between the poles A and DIS Reset Next

Two main pieces of evidence support the big bang theory and the idea that our universe is continually expanding: Doppler shift and cosmic background radiation. Explain how these phenomena provide evidence of the expansion of the universe.

How was bohr atomic model similar to Rutherford's model