Abullet of mass m = 0.029 kg is fired with a speed of vi = 94.00 m/s and hits a block of mass m = 2.52 kg supported by two massless strings. the bullet emerges from the right side of the block with a speed of vf = 47.00 m/s. find the height to which the block rises.

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c

The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db