math

posted by .

I have a board 18" x 18" x 1/8"
I need to support it in an upright position at a 15 degree angle. How big must the base of support be to keep it from falling over.

Similar Questions

1. speech

Can some one please help me complete PRIMARY SUPPORT and SECONDARY SUPPORT for this speech topic outline?

3. Physics

A common demonstration, illustrated below, consists of a ball resting at one end of a board of length and elevated at an angle รจ. A light cup is attached to the board at r so that it will catch the ball when the support stick is suddenly …
4. MATH

Sam built a ramp to a loading dock. The ramp has a vertical support 2 m from the base of the loading dock and 3m from the base of the ramp. If the vertical support is 1.2 m in height, what is the height of the loading dock?
5. English

The School Board is going to vote on whether or not to extend the school day by one hour so that all students can help with thrir homework. The students would be required to attend a study period. Write a letter to the School board …
6. Physics

A sturdy wooden board, 4.0 meters long and with a mass of 32 kg, rests on two supports (labeled L and R) placed 1.2 m from each end as shown in the figure below. (a) Suppose that a man with a mass of 60 kg stands at the center of the …
7. physics 1

A 7.2 kg diver stands at the end of a diving board 2.80 meters from its support. calculate the magnitude of the torque cause by the diver on the board the point of support.
8. PHYSICS

A woman whose weight is 530 Newtons is standing on the outer edge (right) of a diving board of 3.9 meters length. She is over the water of the pool. The left edge of the board is bolted down to the concrete. A support spring (shown …
9. physics

I need to find the sum of energy in this device : A green support turns clockwise at w. A motor is fixed on that support. The stator of this motor turns clockwise at w (it is on the support). The rotor of the motor turns clockwise …
10. science

A weight of 10N is supported by 2 strings AB and AC tied to a horizontal support.The strings makes an angle of 30 degree and 60 degree inclined respectively to the horizontal support.calculate the tention T1 and T2 in the strings

More Similar Questions