splithrz splithrz

13-05-2021
Physics

contestada

A cannon at rest fires a 32.5 kg cannonball forward at 388 m/s. After firing, the cannon recoils at 7.42 m/s. What is the mass of the cannon?

(Unit = kg)
Remember: right is +, left is -

Respuesta :

RickyKhang RickyKhang

17-05-2021

Answer:

1700 kg

Explanation:

Let’s use conservation of momentum

32.5 * 388 = 7.42 * mc

mc = 1699.46

mc = 1700 kg

Answer Link

Otras preguntas

The New Horizons spacecraft (mass 478 kg) was launched from earth in 2006 and flew past Pluto in 2015. What is the minimum amount of work that has to be done on

Explain why the balance sheet amounts alone are not sufficient in providing the information needed in decision making

An order for the end item is scheduled to be shipped at the start of week 11. What is the latest week that the order can be started and still be ready to ship o

A solar cell generates a potential difference of 0.088 V when a 610Ω resistor is connected across it, and a potential difference of 0.12 V when a 990Ω resistor

how do you write the ratio four to five

The length of nylon rope from which a mountain climber is suspended has a force constant of 1. 26 ✕ 104 N/m. (a) What is the frequency (in Hz) at which he bounc

A kettle of boiling water cools in a warm kitchen. x = the time that has elapsed in minutes. y = the temperature of the kettle in degrees Celsius.The function m

Calculate the bond length of HCl molecule if its moment of inertia is 2×10⁻⁴⁰ gm cm² and reduced mass is 1.0 g mol⁻¹.

Which kinds of structures did the Shona erect in the city known today as Great Zimbabwe? a) Massive stone buildings, walls, and ceremonial platforms b) Rock-cut

Batman does not kill the Joker because A. Batman subscribes more to a subjective ethical system. B. to the Divine Command theory. C. to no ethical system. D