Physics, 02.09.2021 18:20, hbbarr2702

A 0.5g sample of radioactive Iodine-131 has a half life of 8.0 days. After 40 days, how much is left?

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Physics, 21.06.2019 17:00, edwardp03418

Trumpeter a holds a b-flat note on the trumpet for a long time. person c is running towards the trumpeter at a constant velocity. person b is running away from the trumpeter at the same rate. person d is standing still the whole time. which person hears a frequency that is lower than the b-flat?

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Physics, 22.06.2019 04:00, johnandashley5p65r4a

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

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Physics, 22.06.2019 11:50, sillslola816oxb5h7

The scalar triple product computes the magnitude m of the moment of a force vector f about a specified line. it is m = (r × f) · n, where r is the position vector from the line to the point of application of the force and n is a unit vector in the direction of the line. use matlab to compute the magnitude m for the case where f = [12, −5, 4] n, r = [−3, 5, 2] m, and n = [6, 5, −7].

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Physics, 22.06.2019 12:00, volocibel

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?