A box took 5 minutes to move you did 2150 j of work in the process. how much power was required to move the box

A 15 kg mass is moving at 7.5 m/s on a horizontal, frictionless surface. What is the total work that must be done on the mass to increase its speed to 11.5 m/s?

Water, which we can treat as ideal and incompressible, flows at 12 m/s in a horizontal pipe with a pressure of 3.0 x 10^4 Pa. If the pipe widens to twice its original radius, what is the pressure in the wider section?

A projectile is shot from the edge of a cliff 140 m above ground with an initial speed of 120 m/s at an angle of 38 degrees above the horizontal. What is the time taken by the projectile to hit the ground 140 m below the cliff? (g = 9.8 m/s²)

Where can I get questions and solutions for static and dynamic systems problems?

If you look at a star that is 14 light yaers away, how long ago did the light you are seeing leave the star

What current would it need to carry in order to experience a very modest 1.0*10-3n⋅m torque?

Which of the following is the most accurate statement concerning the properties of matter? a. they can be written as symbols b. they can be observed and measured c. they cannot be tested or verified d. they change with the amount of matter present

When two sound waves are added together, interference occurs. What type of interference occurs when the overall volume increases? A. Destructive interference B. Deductive interference C. Inductive interference D. Constructive interference

Based on the data table, find the acceleration and then predict the velocity at the time 3.5 seconds.

Explain velocity ratio. Explain and define the efficiency of a machine