Question
3,4?
3. A 100-kg person stwnds on a scale fastened to the floor of an elevator. The scale reads in newtons. What does the scale read when (a) the elevator is moving with upward acceleration a (b) the elevator is moving with downward acceieration a and (c) the elevator is moving upward at 20 m/s while its speed is decreasing at a rate of 8 m/s?? 4. A beer stein of mass 0.45 kg slides horizontally along the bar with an initial speed of 3.5 m/s. The stein comes to rest near the customer after sliding 2.8 m. Find the coefficient of kinetic friction.
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Date Bat mgDato Ca iue a ma Nm then

Add a comment
Know the answer?
Add Answer to:
3,4? 3. A 100-kg person stwnds on a scale fastened to the floor of an elevator....
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • You stand on a spring scale on the floor of an elevator. Pick all the situations...

    You stand on a spring scale on the floor of an elevator. Pick all the situations where the scale shows higher reading than your actual weight.    A The elevator moves downward with increasing speed. B The elevator moves upward with decreasing speed. C The elevator moves downward with decreasing speed. D The elevator moves upward with increasing speed.

  • When a 45-kg person steps on a scale in an elevator, the scale reads a steady...

    When a 45-kg person steps on a scale in an elevator, the scale reads a steady 480 N. Which of the following statements must be true? (There could be more than one correct choice.) Check all that apply. The elevator is moving upward at a constant rate. The elevator is accelerating upward at a constant rate. The elevator is accelerating downward at a constant rate. From the given information, we cannot tell if the elevator is moving up or down.

  • Suppose a person with a mass of 60 kg is in an elevator standing on a...

    Suppose a person with a mass of 60 kg is in an elevator standing on a scale that reads in Newtons. Use a free body diagrams of the scale and the person to determine what the scale would read for the following situations: A. If the elevator is descending at 4.9 m/s. B. If the elevator has a downward acceleration of 4.9 m/s2 . C. If the elevator has an upward acceleration of 4.9 m/s2 . explain WHY

  • 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?

  • Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale...

    Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the first 2.8 s after the elevator starts moving, then 930 N for the next 2.8 s. What is the elevator's speed 5.6 s after starting?

  • 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...

  • 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 74.0 −kg person stands on a scale in an elevator. What does the scale read...

    A 74.0 −kg person stands on a scale in an elevator. What does the scale read (in kg) when the elevator is accelerating upward at 3.2m/s^2? What does the scale read (in N) when the elevator is accelerating downward at 3.2m/s^2? What does the scale read (in kg) when the elevator is accelerating downward at 3.2m/s^2?

  • A person stands on a scale inside an elevator at rest and the scale reads 900...

    A person stands on a scale inside an elevator at rest and the scale reads 900 N. If the elevator moves upward at a constant speed of 3 m/s, what does the scale read then? What if the elevator accelerated upward at a constant rate of 3 m/s2, what does the scale read then? 900 N, 2700 N 900 N, 3600 N 900 N, 624.5 N 1175.5 N, 1175.5 N 900 N, 1175.5 N Flag this Question Question 282 pts...

  • A 75 kg person is standing on a scale in an elevator. What is the reading...

    A 75 kg person is standing on a scale in an elevator. What is the reading of the scale in newtons if the elevator is a) at rest b) moving up at a constant velocity of 2.00 m/s c) accelerating up at 2.00 m/s

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT