0 In an experiment to determine the relative density
of a liquid, a solid Q weighed as follows:
Weight in air, w = 8.6N
Weight in water, w = 6.0 N
Weight in liquid, w, = 5.4 N.
Calculate the density of the liquid.

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g

Which of the following is not an appropriate unit for acceleration? (kg/12 mihr? m/min/sec cm/30c?

2. which of the following devices is associated with the reception of radio signals? o a. demodulator o b. transmitting antenna o c. oscillator o d. microphone