To find the total length of the rafters, we multiply 380cm by 30: \(30(380cm)=11400cm\)

Since \(1m=100cm,\) then: \(11400cm\times(\frac{1m}{100cm})=114m\)

Question

asked 2021-06-02

A kite in the shape of a rhombus has diagonals that are 25 inches long and 15 inches long. What is the area of the kite?

asked 2021-03-21

In the figure below, suppose that the switch has been closed for a length of time sufficiently long enough for the capacitor to become fully charged. (R = 13.0 k, R2 = 20.0 k, R3 = 5.00 k, ΔV = 9.30 V)

(a) Find the steady-state current in each resistor.

(b) Find the charge on the capacitor.

(a) Find the steady-state current in each resistor.

(b) Find the charge on the capacitor.

asked 2021-05-21

In the figure 2 semicircles, each of diameter 28m, are removed from the rectangle. Find

(i) the perimeter,

(ii) the are,

of the shaded region.

(i) the perimeter,

(ii) the are,

of the shaded region.

asked 2021-06-14

A wheel with a 30-cm radius is rotating at a rate of 3 radians/sec. What is the linear speed of a point on its rim, in meters per minute?