A student conducts an experiment by dropping a basketball and a box of cereal of the same weight from the top of a building. the student measures the time it takes for each object to strike the ground. what was the student testing?

Why is it very important that only one variable be changed in a n experiment

What type of sound occurs when an airway in the bronchial passage is obstructions limiting air flow?

A cylindrical resistor of length l is made from a metal of mass m. It has a resistance R. Two resistors, each of length 2l and mass m/2 , are then created from the same volume of the metal.

The fast server in women's tennis is Venus Williams, who recorded a serve of 130 mi/h (209 km/h) in 2007 If her racket pushed on the ball for a distance of 0.11 m, what was the average acceleration of the ball during her serve?

Apa yang dimaksudkan dengan elektromagnet

How are the relationships of elements in a group different from the relationships of elements in a period?

Children in a tree house lift a small dog in a basket 4.00 m up to their house. If it takes 187 J of work to do this, what is the combined mass of the dog and basket?

What happens to the speed of the particles if the temperature is increased

A 65-year-old male enters the hospital with high blood pressure, damaged lungs, low blood-oxygen concentration, and throat cancer. What are all of these symptoms associated with?

At a certain factory, 340 kg crates are dropped vertically from a packing machine onto a conveyor belt moving at 1.00 m/s. (A motor maintains the belt's constant speed.) The coefficient of kinetic friction between belt and crate is 0.400.