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4. A person stands on bathroom scales in a lift The scales show...
V. ELEVATOR REVIEW A man stands on a scale in an elevator. The elevator moves downwards...
V. ELEVATOR REVIEW A man stands on a scale in an elevator. The elevator moves downwards at a velocity of 10 m/s. The elevator accelerates “pwards at a rate of 5 m/s.. The scale under the man reads 180 lbs. A. Is the elevator slowing down or speeding up? B. Given that 1 pound 4.5 Newtons, compute the man's mass? HINT: normal force is not necessarily cqual to weight. You have to usc NII C. The elevator reaches a complete...
1. (Show work) A 120.0 lb person stands in an elevator. If the elevator is slowing...
1. (Show work) A 120.0 lb person stands in an elevator. If the elevator is slowing while moving downwards the force that the floor exerts on the person is: a) less than 120.0 lbs b) more than 120.0 lbs c) 120.0 lbs 2. A ball is thrown upwards into the air with an initial velocity of 10.0 m/s at 60.0 degrees to the horizontal. Assuming it reaches a maximum height then falls back down to the ground, what is its...
_ elevator platform scale 30. Using the above picture, a 90 kg person stands on a...
_ elevator platform scale 30. Using the above picture, a 90 kg person stands on a scale in an elevator a) Calculate weight of the person on the scale if the elevator is stationary. b) Calculate the weight of the person on the scale if the elevator is moving at constant velocity upward. c) Calculate the apparent weight of the person on the scale if the elevator is accelerating upward at 2m/s d) Calculate the apparent weight of the person...
Hello! Could someone please help me answer all 4 parts of this question reading the directions...
Hello! Could someone please help me answer all 4
parts of this question reading the directions
carefully and showing and explaining all your work in as
much detail as possible? Thank you so much!
4. A person uses a block-and-tackle system as shown below (from Wikimedia Commons) to lift a heavy oad Suppose the load has a weight of 1250 N (a) If the person lifts this load slowly at a constant velocity, what force must he exert on...
show working for all and keep it simple please that's it there no more information it...
show working for all and keep it simple please
that's it there no more information it is multiple
choice and you have to show working that's all
3. Three boxes are connected by strings as shown in the figure and are pulled to the right with a force F-12N, sliding along a frictionless horizontal plane. The masses are M-4kg, M2-2kg, and M3-6kg. What is the tension in the string C? Mi M2 (a) 12 N (b)8N (c)4N (d) 6N (e)...
Please help and show me steps please Question 6 2 pts k of mass m is...
Please help and show me steps please
Question 6 2 pts k of mass m is sliding down at constant velocity as shown in the figure below. The magnitude of the force of gravity acting on the brick is O greater than the weight of the brick O less than the weight of the brick D equal to the normal force O equal to the weight of the brick Force o, friction keeping voloc
please provide an explanation for your answer. PLEASE SHOW WORK TO GET FULL UI Problem 2)...
please provide an explanation for your answer.
PLEASE SHOW WORK TO GET FULL UI Problem 2) This problem two independent parts a) and b) a) The number of cars arriving at a fast food drive-through is modeled by a Poisson distribution with an average of 8 cars per hour. What is the nmhability that fewer than 2 cars arrive at the fast food drive-through per 30 minutes. (5 points) (Round b) The time to failure of a component in an...
4 a and b please 4. (10 Points) Give a reasonable explanation for each of the...
4 a and b please
4. (10 Points) Give a reasonable explanation for each of the following observations: a. The rate constant for the base catalyzed hydrolysis of compound below is almost 100 times smaller than that for compound li. towapsow oooo 4. continued b. The rate constant for base catalyzed hydrolysis of compound il below is 40 times greater than that for compound Iv. mited States) DSC0ODA MacBook Pro
4 4. An 80-kg man stands in an elevator. What is his apparent weight when 1)...
4
4. An 80-kg man stands in an elevator. What is his apparent weight when 1) the elevators stationary, IT) the elevator accelerates up at 2 m/s?. III) the elevator accelerates down at 2 m/s IV) the elevator cruises up at constant velocity of 1 m/s. A) Draw a free body diagram of the man labeling the two forces (n and weight) acting on him. B) Write Newton's 2nd law, just including the vertical components. C) Put the forces n...
please show calculations and explanation when necessary In a cathode ray tube, electrons with a velocity...
please show calculations and explanation when
necessary
In a cathode ray tube, electrons with a velocity of 4.5 x 10 m/s in the k direction are deflected by a magnetic field of B = (1.4 x 10-4 T)i - (2.6 x 10-4 T)ý. a) What is the force (magnitude and direction) on a single electron? b) A 10 cm long wire is placed in a magnetic field of the same magnitude, such that it makes a 30° angle with the...
V. ELEVATOR REVIEW A man stands on a scale in an elevator. The elevator moves downwards at a velocity of 10 m/s. The elevator accelerates “pwards at a rate of 5 m/s.. The scale under the man reads 180 lbs. A. Is the elevator slowing down or speeding up? B. Given that 1 pound 4.5 Newtons, compute the man's mass? HINT: normal force is not necessarily cqual to weight. You have to usc NII C. The elevator reaches a complete...
_ elevator platform scale 30. Using the above picture, a 90 kg person stands on a scale in an elevator a) Calculate weight of the person on the scale if the elevator is stationary. b) Calculate the weight of the person on the scale if the elevator is moving at constant velocity upward. c) Calculate the apparent weight of the person on the scale if the elevator is accelerating upward at 2m/s d) Calculate the apparent weight of the person...
Hello! Could someone please help me answer all 4
parts of this question reading the directions
carefully and showing and explaining all your work in as
much detail as possible? Thank you so much!
4. A person uses a block-and-tackle system as shown below (from Wikimedia Commons) to lift a heavy oad Suppose the load has a weight of 1250 N (a) If the person lifts this load slowly at a constant velocity, what force must he exert on...
show working for all and keep it simple please
that's it there no more information it is multiple
choice and you have to show working that's all
3. Three boxes are connected by strings as shown in the figure and are pulled to the right with a force F-12N, sliding along a frictionless horizontal plane. The masses are M-4kg, M2-2kg, and M3-6kg. What is the tension in the string C? Mi M2 (a) 12 N (b)8N (c)4N (d) 6N (e)...
Please help and show me steps please
Question 6 2 pts k of mass m is sliding down at constant velocity as shown in the figure below. The magnitude of the force of gravity acting on the brick is O greater than the weight of the brick O less than the weight of the brick D equal to the normal force O equal to the weight of the brick Force o, friction keeping voloc
please provide an explanation for your answer.
PLEASE SHOW WORK TO GET FULL UI Problem 2) This problem two independent parts a) and b) a) The number of cars arriving at a fast food drive-through is modeled by a Poisson distribution with an average of 8 cars per hour. What is the nmhability that fewer than 2 cars arrive at the fast food drive-through per 30 minutes. (5 points) (Round b) The time to failure of a component in an...
4 a and b please
4. (10 Points) Give a reasonable explanation for each of the following observations: a. The rate constant for the base catalyzed hydrolysis of compound below is almost 100 times smaller than that for compound li. towapsow oooo 4. continued b. The rate constant for base catalyzed hydrolysis of compound il below is 40 times greater than that for compound Iv. mited States) DSC0ODA MacBook Pro
4
4. An 80-kg man stands in an elevator. What is his apparent weight when 1) the elevators stationary, IT) the elevator accelerates up at 2 m/s?. III) the elevator accelerates down at 2 m/s IV) the elevator cruises up at constant velocity of 1 m/s. A) Draw a free body diagram of the man labeling the two forces (n and weight) acting on him. B) Write Newton's 2nd law, just including the vertical components. C) Put the forces n...
please show calculations and explanation when
necessary
In a cathode ray tube, electrons with a velocity of 4.5 x 10 m/s in the k direction are deflected by a magnetic field of B = (1.4 x 10-4 T)i - (2.6 x 10-4 T)ý. a) What is the force (magnitude and direction) on a single electron? b) A 10 cm long wire is placed in a magnetic field of the same magnitude, such that it makes a 30° angle with the...
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