Physics, 02.10.2020 15:01 kevinvalencia01
A ranger in a national park is driving at 36.2mi / h when a deer jumps into the road 205 ft ahead of the vehicle. After a reac tion time of t the ranger applies the brakes to produce and acceleration of - 8.83ft / (s ^ 2) What is the maximum reaction time al lowed if she is to avoid hitting the deer ? Answer in units of s. Need help ASAP please
Answers: 1
Physics, 22.06.2019 10:30
Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
Answers: 2
Physics, 23.06.2019 00:50
Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n
Answers: 1
A ranger in a national park is driving at 36.2mi / h when a deer jumps into the road 205 ft ahead of...
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