What would be the best tool to measure the amount of matter in an object?

balance

graduated cylinder

spectroscope

scale

Which 90% of your brain would you like to remove while driving a car? Explain/defend your answer.

Can someone give me a detailed explanation on the physics of drums? How do drums get that sound from a physics perspective? (It is for a project on the physics of musical instrument and I have drums

What tools are used to pick up tiny objects

What are the starting ingredients and products of photosynthesis and cellular respiration

A car not engine has an efficiency of 22.0%. it operates between constant temperature reservoirs with a difference of 75d degrees Celsius. what are the temperature of the two reservoirs

Three students derive the following equations in which x refers to distance traveled, v the speed, a the acceleration (m/s^2), and t the time, and the subscript (0) means a quantity at time t=0: a) x=vt^2 + 2at, b) x=v0t+1/2at^2, and c) x=v0t+2at^2.

Which is a use of fiber optics?

When a positively charged conductor touches a neutral conductor, the neutral conductor will:

Definition of the rule E=mc^2

A 3.7 kg block is pushed along a horizontal floor by a force modifyingabove upper f with right-arrow of magnitude 25 n at a downward angle θ = 40°. the coefficient of kinetic friction between the block and the floor is 0.26.