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-14 points GPHYSO2 6.PP.13. Your mass is 50 kg. You stand on a bathroom scale in...
You are standing on a bathroom scale and you measure the weight to be 120 lb....
You are standing on a bathroom scale and you measure the weight to be 120 lb. You then take the scale onto an elevator and stand on the scale as the elevator accelerates, during which the reading on the scale decreases to 90 lb. Which of the following statements about the elevator could be true? A. The elevator is moving upward at 2 m/s while accelerating downward at 2.45 m/s^2. B. The elevator is moving downward at 4 m/s while...
A 72 kg man stands on a bathroom scale in an elevator. Starting from rest at...
A 72 kg man stands on a bathroom scale in an elevator. Starting from rest at the top floor, the elevator descends, attaining its maximum speed of 1.20 m/s in 0.80 s. It travels with this constant speed for the next 5.00 s. The elevator then slows down for 1.50 s and comes to rest at ground level. a)What is the acceleration of the man during the first 0.80 s? Answer in units of m/s2 and use the upward direction...
You know your mass is 64 kg , but when you stand on a bathroom scale...
You know your mass is 64 kg , but when you stand on a bathroom scale in an elevator, it says your mass is 90 kg . What is the acceleration of the elevator?
An elevator is pulled upward so it moves with increasing upward speed?the force exerted by the...
An elevator is pulled upward so it moves with increasing upward
speed?the force exerted by the cable on the elevator is constant
and greater than the downward gravitational force exerted by Earth.
When the elevator is moving up medium-fast, the force exerted by
the cable on the elevator changes abruptly to just balance the
downward gravitational force of Earth?the sum of the forces that
the cable and Earth exert on the elevator is now zero.
As part of a physics experiment, you stand on a bathroom scale in an elevator. Though...
As part of a physics experiment, you stand on a bathroom scale in an elevator. Though your normal weight is 630 N , the scale at the moment reads 710 N . Part A Is the acceleration of the elevator upward, downward, or zero? Part B Explain Part C Calculate the magnitude of the elevator's acceleration. Express your answer using two significant figures. Part D What, if anything, can you say about the velocity of the elevator? Explain.
A 96.5-kg person stands on a scale in an elevator. What is the apparent weight when...
A 96.5-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a) accelerating upward with an acceleration of 1.57 m/s2, (b) moving upward at a constant speed, and (c) accelerating downward with an acceleration of 1.79 m/s2?
A 86.8-kg person stands on a scale in an elevator. What is the apparent weight when...
A 86.8-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a) accelerating upward with an acceleration of 1.72 m/s2, (b) moving upward at a constant speed, and (c) accelerating downward with an acceleration of 1.67 m/s2? (a) Number Units (b) Number Units (c) Number Units
A 73.0-kg person stands on a scale in an elevator. What does the scale read (in...
A 73.0-kg person stands on a scale in an elevator. What does the scale read (in N) when the elevator is at rest? What does the scale read (in N) when the elevator is climbing at a constant speed of 3.0 m/s? What does the scale read (in N) when the elevator is descending at 3.0 m/s? What does the scale read (in N) when the elevator is accelerating upward at 2.4 m/s2 ? What does the scale read (in...
For a physics class experiment, you place a Red Delicious apple of mass m=0.100 kg at...
For a physics class experiment, you place a Red Delicious apple
of mass m=0.100 kg at rest on a bathroom scale, and place the
combination on the floor of an elevator in a tall building as shown
in the Figure. The elevator is initially at rest. Suppose the
elevator has been summoned by someone on a higher floor. While the
elevator is speeding up and traveling upward (in the +y direction),
it has an acceleration of ay=1.00 m/s2 . What...
A 535.4-N physics student stands on a bathroom scale in an elevator that is supported by...
A 535.4-N physics student stands on a bathroom scale in an elevator that is supported by a cable. The combined mass of student plus elevator is 761.2 kg Part A What is the acceleration if the scale reads 416 N as the elevator starts moving? Notice that g 9.8 m/s2 and the sign of the acceleration is determined by the direction. For example, the gravitational acceleration is -g--9.8m/s as the gravitational force points downward m's Submit Request Answer Part B...
An elevator is pulled upward so it moves with increasing upward
speed?the force exerted by the cable on the elevator is constant
and greater than the downward gravitational force exerted by Earth.
When the elevator is moving up medium-fast, the force exerted by
the cable on the elevator changes abruptly to just balance the
downward gravitational force of Earth?the sum of the forces that
the cable and Earth exert on the elevator is now zero.
For a physics class experiment, you place a Red Delicious apple
of mass m=0.100 kg at rest on a bathroom scale, and place the
combination on the floor of an elevator in a tall building as shown
in the Figure. The elevator is initially at rest. Suppose the
elevator has been summoned by someone on a higher floor. While the
elevator is speeding up and traveling upward (in the +y direction),
it has an acceleration of ay=1.00 m/s2 . What...
A 535.4-N physics student stands on a bathroom scale in an elevator that is supported by a cable. The combined mass of student plus elevator is 761.2 kg Part A What is the acceleration if the scale reads 416 N as the elevator starts moving? Notice that g 9.8 m/s2 and the sign of the acceleration is determined by the direction. For example, the gravitational acceleration is -g--9.8m/s as the gravitational force points downward m's Submit Request Answer Part B...
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