If a car goes along a straight road heading east and speeds up from 45ft/s to 60ft/s in 5s, calculate the acceleration

What much does the earth in tons

Write the following measurements in scientific notation. a. 0.000019 mm = __ x 10 __ mm b. 52000 cm = __ x 10 __ cm c. 13400000 kg = __ x 10 __ kg d. 0.00950 s = __ x 10 __ s

What does each letter in a = (Vf-Vi) / t stand for

Suppose that the resistance between the walls of a biological cell is 3.9 * 109 Ω. (a) What is the current when the potential difference between the walls is 84 mV? (b) If the current is composed of Na + ions (q = + e), how many such ions flow in 0.

Express 0.00005 s in µs.

Which is a result of using a machine? The amount of work that is done is increased. The work input is less than the work output. Both the force and the distance through which it acts increase.

What is the difference between electromagnet and electromagnetism?

Which of the following can be determined by studying the spectrum of a star? the chemicals in the atmosphere of the star the motion of the star the temperature of the atmosphere of the star all of the above

How do I find the specific heat of an object?

In order to be considered scientific, evidence must be: