Physics, 31.12.2019 06:31 vanessa7676
A450 kg piano is being unloaded from a truck by rolling it down a ramp at 22 degree inclined . there is negligible friction and the ramp is 11.5 m long . two workers slow the rate at which the piano moves by pushing with a combined force of 1420n parralel to the ramp . i f the piano starts fromm rest . how fast is it moving at the
Answers: 1
Physics, 22.06.2019 01:20
Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.
Answers: 3
Physics, 22.06.2019 10:00
Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.
Answers: 2
Physics, 22.06.2019 10:30
The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g
Answers: 1
A450 kg piano is being unloaded from a truck by rolling it down a ramp at 22 degree inclined . there...
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