14.0 m uniform ladder weighing 490 n rests against a frictionless wall. the ladder makes a 65.0°-angle with the horizontal. (a) find the horizontal and vertical forces (in n) the ground exerts on the base of the ladder when an 850-n firefighter has climbed 4.10 m along the ladder from the bottom. horizontal
Answers: 3
Physics, 22.06.2019 14:00
Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.
Answers: 1
Physics, 22.06.2019 17:30
Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers total displacement?
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Physics, 22.06.2019 19:00
The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?
Answers: 1
14.0 m uniform ladder weighing 490 n rests against a frictionless wall. the ladder makes a 65.0°-ang...
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