What is 9 - (-9) = in the form of a whole #?

What will be temperature on the kelvin scale if the indicated temperature on the Fahrenheit scale is 200degree Fahrenheit

The frequency of the middle d note on a piano is 293.66 hz. what is the wavelength of this note in centimeters? the speed of sound in air is 343.06 m/s.

Agon has a mass of 5 kg, Zack pulls a loaded wagon with a force of 4 N. If the wagon b what is its acceleration?

Suppose s (t) is the position of an object moving along a line at time t is greater than or equal to 0. What is the average velocity between the times t=a and t=b? What is the instantaneous velocity at t=a?

Which statement describes how rays behave when they travel through media during reflection and refraction? During refraction, rays stay in the original medium, and during reflection, rays pass into a new medium.

What is the frequency of a wave with a velocity of 21.2 m/s and a wavelength of 8.3m?

Positive ions have blank protons than electrons

What is the weight, in n, of an object with a mass of 200 kg at a location where g = 9.6 m/s2. round the final answer to the nearest whole number?

A 1.7 kg book is lying on a 0.77 m - high table. You pick it up and place it on a bookshelf 2.0 m above the floor. how much work does gravity do on the book?

What is the difference between diffusion and osmosis?