= 2t + 2 m/s/s
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- A tank containing a liquid has a small hole in the bottom through which it escapes. The velocity u at which the liquid escapes is given by u = C V ρ g where V is the volume, ρ is the density and g is the acceleration due to gravity. Find the dimension of the constant C using dimensional analysis. A tank containing a liquid has a small hole in the bottom through which it escapes. The velocity u at which the liquid escapes is given by u = C V ρ g where V is the volume, ρ is the density and g is the acceleration due to gravity. Find the dimension of the constant C using dimensional analysis. M − 1 L T M L T − 1 M − 1 L 0 T M L 0 T − 1 C is dimensionless.A certain physical quantity, R, is calculated using the formula: R = 3a(b – c) where a is a mass and b and c are velocities. What is the SI unit for R kg s/m kg m/s m s/kg None of the aboveP2 = 50 Pa U, = ??? P1 = 200 Pa Ah =10 m υ, 10 m/s
- An object is dropped from rest and takes 2.42 seconds to reach the ground below. From what distance above the ground was it dropped? State this as a positive number and assume it has proper SI Units.If velocity =−12i + 21.5j m/s, how fast is it moving? (Express the answer to two significant figures).A car is traveling at a speed of 29 m/s on an interstate highway where the speed limit is 76 mi/h. Is the driver exceeding the speed limit? What is the car's speed in mi/h? Observe correct number of significant figures in your final answer.