An object of mass m slides down an incline with angle e. Which expression

shows the net force on the object perpendicular to the surface of the incline?

O A. mg cos (0)

O B. Fn-mg sin (e)

O c. mg sin (e)

O D. Fw-mg cos (0)

What is the speed of sound in dry ear 0°?

Do penguins have knees and what shape is the sky?

In a parallel circuit with 3 resistors, the output voltage at the power supply is recorded to be 5 A. The current flowing through the first resistor is 1 A and the current flowing through the second resistor is. 5 A.

Two blocks of mass 6 kg and 8 kg are connected by a string that runs over a massless pulley (or a frictionless peg). What is the magnitude of the acceleration after the blocks are released?

What will happen, if you drop an object that will sink in the middle of the container.

Which element has a complete valence electrons hell?

3. If you are part of a center or network, you can use program-level data to A. change the way you record and maintain information. B. identify professional development needs. C. improve the management systems to support child learning. D.

What did James Madison foresee as an important element of the political system? a. Hyperpluralism b. Social movements c. Interest groups d. Lobbying

Which force is responsible for the formation of waves? A. gravity B. wind C. friction D. centripetal

Is it better to design a ship with bigger bottom area or design it with smaller bottom area?