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a cord is used to vertically lower an initially stationary block of mass m at a constant downward acceleration of gl4. when the block has fallen a distance d, find (u) the work done by the cord's force

Chirag K asked Dec 27, 2024

by Chirag K

7.7k points

1 answer

2 votes

153k views

Microwaves travel at the speed of light 3.00x108 m/s. When the frequency of microwaves is 9.00x109Hz, what is their wavelength?

Fixee asked Dec 27, 2024

by Fixee

7.9k points

2 answers

1 vote

54.7k views

Suppose you add two vectors A and B. What relative direction between them produces the resultant with the greatest magnitude? What is the maximum magnitude? What relative direction between them produces

Bala Ganesh asked Dec 27, 2024

by Bala Ganesh

8.0k points

1 answer

2 votes

38.3k views

Sally's field hockey ball height function is given as h(t), where h(t) is in meters and t is in seconds. To determine if she has shot a dangerous ball, we need to evaluate h(t) at an appropriate time point.

Igor Zelaya asked Dec 27, 2024

by Igor Zelaya

8.7k points

1 answer

1 vote

11.0k views

Which of the following media uses an insulator? a) Coaxial b) Twisted pair c) Satellite d) Fiber-optic

Hamed Hossani asked Dec 27, 2024

by Hamed Hossani

8.4k points

1 answer

1 vote

132k views

Kim made three measurements of her cell’s potential: 1.11 V, 0.00 V, and 1.12 V. Explain the pattern of voltages

Mgrund asked Dec 27, 2024

by Mgrund

7.5k points

1 answer

5 votes

10.0k views

What is the distance from one compression to the next in a longitudinal wave? A) Its amplitude B) Its frequency C) Its wavelength

Phillip Mills asked Dec 27, 2024

by Phillip Mills

7.8k points

1 answer

1 vote

212k views

Find the vector z, given U =(5,5, 4) and v=(8,6,3), and w=(5,60,44) -u + 5y - 5z = w

Robert Ross asked Dec 27, 2024

by Robert Ross

7.4k points

1 answer

5 votes

101k views

I keep getting this wrong and I don't understand why. Also the answer that I picked on the screenshot isn't correct. It just showed what questions I got wrong

Orlland asked Dec 27, 2024

by Orlland

8.6k points

1 answer

4 votes

38.9k views

A mass m = 33.0kg sitting on a table (on Earth) is attached to a spring with spring constant k= 10.0 N/m. The spring is then attached to the wall. If the spring is compressed 3.20m, what coefficient of

Volt asked Dec 27, 2024

by Volt

9.6k points

1 answer

5 votes

69.0k views

Which method utilizes the Doppler shift of light to detect the wobble generated by planets orbiting a star? A. Transit Photometry B. Astrometry C. Spectroscopy D. Doppler Wobble or Radial Velocity (RV)

Rolevax asked Dec 27, 2024

by Rolevax

8.5k points

1 answer

0 votes

223k views

Female voice is shriller than a male voice ?

Dmotta asked Dec 27, 2024

by Dmotta

8.2k points

1 answer

4 votes

228k views

How many breaths do we take in Downward Dog in Sun A and Sun B in hot vinyasa class? A) 3 B) 5 C) 7 D) 10

Guy Bowden asked Dec 27, 2024

by Guy Bowden

7.6k points

1 answer

1 vote

123k views

The second candle of a morning star pattern is? a) Doji or spinning top b) Bearish and small-bodied c) Bullish and long-bodied d) Bearish and long-bodied

Eatonphil asked Dec 27, 2024

by Eatonphil

8.7k points

1 answer

4 votes

178k views

Fermions with no electric charge may carry magnetic moments e.g., the neutron. Since particles with magnetic magnetic moments interact, they're expected to scatter off each other electromagnetically. How

Tputkonen asked Dec 27, 2024

by Tputkonen

7.6k points

1 answer

0 votes

152k views

Angie is walking her dog on a leash. The dog is pulling with a force of 32 N to the right and Angie is pulling backward with a force of 16 N. Will the dog move forward, backward, or remain stationary?

Syed Umer Hasan asked Dec 27, 2024

by Syed Umer Hasan

8.4k points

1 answer

5 votes

3.9k views

All of the following statements about the tightness/looseness dimension are true except one. Which statement is FALSE? A) The tightness/looseness dimension is a cultural trait proposed by cultural psychologist

Amir Yonatan asked Dec 27, 2024

by Amir Yonatan

8.1k points

1 answer

1 vote

214k views

On December 21 there is the least amount of sunlight. The sun is 40° above the horizon. What is the latitude?

Apb asked Dec 27, 2024

by Apb

7.8k points

1 answer

4 votes

7.3k views

Does the following parabola open upwards or downwards? y=(-7t+6)(-4+10t) Show your work here

Felix Too asked Dec 27, 2024

by Felix Too

8.3k points

1 answer

3 votes

149k views

Why wrap a doorknob in aluminum foil?

Kamil Zadora asked Dec 27, 2024

by Kamil Zadora

7.1k points

1 answer

1 vote

56.2k views

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