14. All electromagnetic waves travel at 300.000 km/s through a (vacuum, diamond).
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Physics, 22.06.2019 00:30
Orange juice has a lower or higher viscosity than chocolate syrup
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Physics, 22.06.2019 08:40
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
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Physics, 22.06.2019 22:30
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaΟv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and Ο is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and Ο = 1.2 kg/m3.
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Physics, 23.06.2019 08:00
Describe a mesomorph body type and expain why this body type a sportsperson to perform well in either football swimming or cross country
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