G What is the frequency of the train whistle as heard by a passenger on the train? n alert physics student stands beside the tracks as a train rolls slowly past. She notes that the train whistle has a frequency of 465 Hz as the train approaches her and a frequency of 445 Hz as the train moves away from her. The speed of sound is 343 m/s. While waiting for her own train to arrive, the student performs some ca

their crystal patterns have been disrupted by stress

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.

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find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2