A small engine is rated at 4.0 horsepower (1 hp = 746 W). How much mechanical energy can the engine produce in 50 s? Group of answer choices

3000 J

1.5×10^5 J

0.080 J

200 J

13 J

Three charge are arranged as shown in the diagram. the magnitude of the net electrical force acting on the +6 uc charge, rounded to the tenths place, is .

Suppose that a mass of 2 kg is attached a spring whose spring constant is 50. the system is damped such that b = 12 . the mass is set in motion with an initial velocity of -8 m/s at a position 0 meters from equilibrium. set up and solve a differential equation that models this motion. write your solution in the form a cos ( ω t − α ) where α is a positive number. use your solution to fill in the information below: what is the amplitude of the motion? what is the value of ω ? what is the phase shift?

Acid rain is caused by human activity. select the best answer from the choices provided t f