Physics, 21.08.2019 01:20 Aylin042277

Mr. h ignites the enthusiasm of the class with a home-made cannon demonstration. the 1.27-kg cannon is loaded with a 54-gram tennis ball and placed on the floor. mr. h adds the fuel, waits for its vapors to fill the reaction chamber and then brings a match nearby. the explosion stuns the crowd and propels the ball forward. a photogate measurement determines that the cannon recoiled backwards with a speed of 7.8 m/s. determine the speed of the ball.

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 00:30, torrejes241

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

Answers: 2

continue

Physics, 22.06.2019 05:30, ArielA13

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

Answers: 1

continue

Physics, 22.06.2019 08:40, kayleewoodard

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

Answers: 1

continue

Physics, 22.06.2019 19:00, opgbadwolf5

The law of reflection states that the angle of reflection is equal to the angle of

Answers: 1

continue

You know the right answer?

Mr. h ignites the enthusiasm of the class with a home-made cannon demonstration. the 1.27-kg cannon...