The truss system below is supported by a pin at A and a roller at C. When unloaded, truss member AC has length L = 2022 mm. The truss members are made of steel pipes with cross-sectional area Ac = 3265 mm? and elasticity modulus E = 216 GPa. A vertical and a horizontal load of magnitude P= 521 kN are applied at joint B. The angle is 0 =44º

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.

Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90