A descending elevator is subject to a constant rate of acceleration, dropping 50.0 m as it goes from an initial velocity of 15.0 m/ downward, to rest. As a percentage of the occupants' masses, what is their apparent weight? 66% 77% 100% 123% 134%

Q: A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.9 m/s2. (a) If…

A:

Q: A 60 kg person stands on a scale in an elevator. How many Newtons does the scale read: a)…

A: (a) When the elevator is ascending, F=mg+ma substituting the givens, F=60 kg9.8 m·s-1+60 kg1 m·s-1…

Q: A fisherman has caught a very large, 5.0 kg fish from a dock that is 2.0 m above the water. He is…

A: Here,

Q: You are standing on a bathroom scale in an elevator in a tall building. Your mass is 64 kg. The…

A: The acceleration of the elevator is as follows: at=ddtvtat=ddt3.0 m/s2t+0.20 m/s3t2at=3.0 m/s2+0.40…

Q: A spring is fixed to a board so that its hanging from it vertically. A 10 kg mass is attached to the…

A: Let spring constant be "K".   On earth, mge=Kxe         .....(1)   on moon, mgm=Kxm        ......(2)…

Q: A 1 kg ball and a 2 kg ball, both the same dimensions, are dropped at the same time from a height of…

A: Acceleration due to gravity is independent from the mass of object so for Both object if we apply…

Q: Estimate the speed at which the drag on a 150-g steel ball becomes equal to about 1% of its weight.…

A: “As per the guidelines I solved the first question alone”. Find the volume of the steel ball.…

Q: A person whose weight is 508 N is being pulled up vertically by a rope from the bottom of a cave…

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Q: You are in an elevator that is going from the 5th floor to the ground floor. As you are arriving at…

A: The elevator is going down from the 5th floor to the ground floor. The force diagram is as shown…

Q: A heavy crate is suspended from two ropes as it is lowered from a high shelf to the floor at a…

A: SOlution: Given that T = 950 N angle1 = 28.2 degrees angle2 = 33.7 degrees

Q: You are designing a high-speed elevator for a new skyscraper. The elevator will have a mass limit of…

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Q: Given: You walk into an elevator, step onto a scale, and push the "up" button. You recall that your…

A: Normal force N on the person of mass m is upwards. Weight of the person W  is acting downwards. The…

Q: An 96kg  diver inhales to have a body density of 950 kg/m3, then swims to the bottom of a shallow…

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Q: A child is pulling a box of weight 50 N with a constant force F having a direction 8 = 15° as shown…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: