A piano mover raises a 1000-n piano at a constant speed using a very light rope in a frictionless pulley system, as shown in the figure. with what force is the mover pulling down on the rope?

A wavelength is the distance between two A. amplitudes. B. frequencies. C. crests. D. hertzes.

400J of heat is produced in 4 sec in 4ohm resistor. calculate yhe PD across the resistor.

Bina satu pernyataan benar dan satu pernyataan palsu bagi setiap yang berbut dengan menggunakan maklumat yang tentut diben. Malmat Pernyataan benau Pernyataar palsu. - 13.5 를 3 1 - 2 3 - 3 3) {1,9},{9,10},{8}, -.

What is the "atomic mass" of an atom?

What are advantages and disadvantages of breakwater

What is your average speed if you walk 2km in 20 minutes

A skier is traveling down a slope that is inclined 30° above the horizontal. The coefficient of kinetic friction between the skier and the slope is 0.10. Which of the following best describes the acceleration of the skier? A) It is zero.

They are generally thought to be blank naturally occurring emotions that are present from birth

If an aircraft is loaded 90 pounds over maximum certificated gross weight and fuel (gasoline) is drained to bring the aircraft weight within limits, how much fuel should be drained?

3. Shortwave radio is broadcast between 3.50 and 29.7 MHz, To what range of wavelengths does this correspond? Why do you suppose this part of the spectrum is called shortwave radio?