How do you know there was a chemical reaction? Check all indicators below. A solid precipitate formed. The color changed. A gas was produced. The reaction absorbed or released heat.

Isabel wants to determine the mass of a metal block. What is the SI unit for mass? pound quart kilogram liter

How much tension is there in a rope that hold a 20-N bag of apples at rest?

3. Ohm's law is represented by the equation, I = V/R. Explain how the current would change if the amount of resistance decreased and the voltage stayed the same.

You are in a room in a basement with a smooth concrete floor (friction force equals 40 N) and a nice rug (friction force equals 55 N) that is 3 m by 4 m.

How does the electric force between two charged particles change if the distance between them is increased by a factor of 3? a. it is reduced by a factor of 3 b. it is increased by a factor of 3 c. it is increased by a factor of 9 d.

Which applications, either for diagnostic purposes or for therapeutic purposes, involve the use of X-rays? Check all that apply. CT scan MRI radiography brachytherapy laser eye surgery radioisotope imaging external beam radiation therapy fluoroscopy

The top walking speed of a fly is 1 cm/s. How far can a fly crawling on the ceiling travel in 6 seconds? A. 1 centimeter B. 1 second C. 6 centimeters D. 6 seconds

Why is it more difficult to slide a crate starting from rest?

17. (16 pts) You set up a two-slit experiment with a laser that produces light with a wavelength of 600 nm.

At a distance of 0.182 cm from the center of a charged conducting sphere with radius 0.100cm, the electric field is 465 n/c. what is the electric field 0.598 cm from the center of the sphere?