Ametal blade (length = 80 cm) spins at a constant rate of 10 radians/s about a pivot at one end. a uniform magnetic field of 2.0 mt is directed at an angle of 30° with the plane of the rotation. what is the magnitude of the potential difference between the two ends of the blade?

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)