DAMILOUS

simplify each of the following in indices a. s³÷t⁴ x (s-³ t-²)³ b. (4a^3 b^-1 c^-2)^1/2 ÷ [64(a^6 b^4 c^2)^-1/2] c. 3√8a^3 b^6 ÷ √1/25 a⁴ b^7 * (16√a⁴b^6)^-1/2

A uniform rectangular marble slab is 3.4m and 2.0m wide.it has a mass of 180kg.its originally lying on surface flat ground. How much work is needed to stand it on It's short end? pls with formula need

a particle having a speed of 1.0x10^6m/s collisdes with a stationary proton which gains an initial speed of 1.60x10^6 in the direction in which the particle is travelling. what is the speed of the particle immediately after collision? how much energy is g...