# Yahoo Web Search

1. ### ABCDE is a regular Pentagon of 10 cm size. FGHIJ are mid points of AB, BC, CD, DE and EA. If 1 kg mass has been placed on every point .....?

I assume that "10 cm size" means a perimeter of 10 cm . The internal angles of...1*cos108º = 2.618 cm² by the law of cosines c = 1.618 cm so the semiperimeter is s = ½(1.618 + 1 + 1) cm = 1.809 cm ...

2 Answers · Science & Mathematics · 18/09/2020

2. ### Would I have to change 16m into cm ? And what is the height of the building?

You do not have to convert the 16 m into cm .  Since the conversion from m to cm would be the same either way, they cancel out...

2 Answers · Science & Mathematics · 26/11/2020

3. ### The parallel sides of a trapezium are 10 cm and 20 cm respectively. AD = 6 cm and CB =8 cm . Find the area of the trapezium ?

... and CD are the parallel sides with lengths 10 cm and 20 cm , respectively. See the attached sketch. Let point ...

3 Answers · Science & Mathematics · 03/08/2020

4. ### 22.4 A uniformly charged solid sphere with a total charge of 50 nC and a radius R1 = 30 cm is surrounded concentrically by a...?

a) at 14 cm , the "enclosed" charge is Q = 50nC * (14/30... * 5.08e-9C / (0.14m)² = 2331 N/C (outward) b) at 37 cm , the enclosed charge is 50 nC: E = 8.99e9N·m²...

1 Answers · Science & Mathematics · 30/09/2020

5. ### As shown in the figure two loops carry currents with I1 = 3.6 A and I2 =9.4 A. The radii r1 = 12.5 cm and r2 = 18.5 cm . If a long current?

...7=1.8097x 10^-5T In the smaller loop, the radius = r1 = 12.5 cm = 0.125 m I1 = 3.6 Amp hence magneti field at the center = B1...

1 Answers · Science & Mathematics · 14/05/2020

6. ### An ant starts at x = 20 cm on a piece of graph paper and walks along the x axis to x = -20 cm .?

displacement = 20 cm - (- 20cm) + (- 10 cm ) = 30 cm distance covered = |(-20cm) - (20cm)| + |(-10cm) - (-20 cm )| = 40cm + 10cm = 50 cm

1 Answers · Science & Mathematics · 05/07/2020

7. ### how to convert km into cm ?

add 5 zeroes to the right side of the number. 1000 (km/m) x 100 ( cm /m) = 100,000 ( cm /km). five zeroes.  follow the units.

6 Answers · Science & Mathematics · 01/07/2020

8. ### My bust is over 100  cm .It is because I got fat?Or its my bones?

...know anything about you (age, height, sex, weight) so have no way of knowing if 100 cm chest measurement is appropriate or not. Assuming you are female (since...

3 Answers · Health · 15/01/2021

9. ### The area of a sector of a circle with a radius of 15 cm is 75pi cm ^2. ?

The area of a sector of a circle with a radius of 15 cm is 75pi cm ^2. ? Total circle Area = π(15)^2 = 225π cm ^2...

11 Answers · Science & Mathematics · 28/05/2020

10. ### What is the density of a cube of titanium that has a volume of 5.43 cm ^3?

The density of solid titanium is 4.506 g/ cm ^3. There is a very small difference for temperature and pressure ... very small...

3 Answers · Science & Mathematics · 03/11/2020