carmenthegreat2 carmenthegreat2

26-05-2017
Physics

contestada

A force used to lift a 25kg mass to a height of 12m in 5 sec does 2100J of work. How much force is used

Respuesta :

AnnaFlorence AnnaFlorence

29-05-2017

work = force × distance
21000 = force × 12m

we need to rearrange this equation because force isn't on the right side of the equation and it becomes

force = 2100 ÷ 12m
force = 175N

Answer Link

Otras preguntas

What is the value of eight in the number 8000

A magnesium surface has a work function of 2.65 eV. Electromagnetic waves with a wavelength of 280 nm strike the surface and eject electrons. Find the maximum k

The datatype returned by the JOptionPane.showInputDialog method is String. int. double. specified by the user in the method call.

Arigid body must rotate about an axis in order for it to have angular momentum about that axis. True False

The flagpole casts an 8 foot as shown in the table. At the same time the goal post cast an 18 foot shadow. How tall is the goal post?

What is the difference between a design pattern and a DLL?

A group of randomly selected members of the Foodies Food club were asked to pick their favorite type of food. The bar graph below shows the results of the surve

Which statement is true? A. Emergency managers only need to be concerned with cross-cultural communication. B. Communication is not affected by geographic are

True or False. In lexicographical ordering, rst is listed the same as str.

In reference to for-each loops, which of the following statements is true? f A) For-each loops can be rewritten as for loops B) an index variable is NOT explic