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Consider a square silicon proof mass with four silicon tethers. The proof mass is 200 μm
x 200 μm x 100 μm, length and width of the tethers are 200 μm and 5 μm, and thickness
of the tether is 1 μm. Assume that Young’s modulus of silicon is 160 GPa. This is used as
an accelerometer and it is designed in such a way that applied acceleration/deceleration
pulls the plate up/down.
1.Calculate the effective spring constant in the direction of acceleration.
2. And calculate the amount of displacement at the center point of the proof mass with 10g acceleration.

Water at room temperature of 20.0°c is poured into an aluminum cylinder which has graduation markings etched on the inside. the reading in the graduations is 300.0 cc. the cylinder with the water in it is then immersed in a constant temperature bath at a temperature of 100°c. what is the reading for the level of water on the graduations of the cylinder after the water and the cylinder reach thermal equilibrium with the bath? the volume coefficient of expansion of water is 2.07 x 10^-4 k-1, and the linear coefficient of expansion of aluminum is 23.0 x 10^-6 k-1. a) 305.0 cc b) 304.0 cc c) 303.5 cc d) 303.3 cc e) 304.5 cc

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

In what direction does an applied force move an object