Physics, 11.10.2020 05:01 eskarletche8
A lady driver of car applied brakes and barely avoided hitting the truck parked due to technical problem on the road way.
The vehicle left skid marks of 25 m. Assuming, f = 0.6 and the braking efficiency of 95%, determine whether the drive
was in violation of the 60 Kmph speed limit at that location if she was traveling,
(a) Uphill on 5º slope. (b) Downhill on 5º slope and (c) On the level roadway.
Answers: 3
Physics, 22.06.2019 11:30
If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal
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Physics, 22.06.2019 11:30
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.
Answers: 1
Physics, 22.06.2019 14:40
The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
Answers: 1
A lady driver of car applied brakes and barely avoided hitting the truck parked due to technical pro...
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