which objects displaced a mass of water or alcohol that was not equal to their own mass:
liquid object was mass of object not equal to mass of water/alcohol displaced?
water: stone walnut ice
alcohol: stone walnut ice

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.