A college student walking on a sidewalk throws his keys to a friend on a balcony 6m above him. If the college student throws the keys upward at 9.4 m/sec, can his friend on the balcony catch the keys? If not, what distance will the keys reach?

Alivestock company reports that the mean weight of a group of young steers is 1100 pounds with a standard deviation of 93 pounds. based on the model n(1100,93) for the weights of steers, what percent of steers weigh a) over 1050 pounds? b) under 1300 pounds? c) between 1150 and 1250 pounds?

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?