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- QUESTION 2 Match units with physical quantities. m = meter kg = kilo gram s= second Mass (M) v Volume (V) A. kg m-3 v Velocity Distance B. m3 Time C.m v Length D.ms1 Mass Density E. kg Volume >For a short time, the speed v of a car, in m / s, is given by v = at2 + bt3, where t is the time in seconds. The units of a and b are, respectively, a) m/s^2; m/s^3 b) m/s^4; m/s^5 c) s^3/m; s^4/m d) m.s^2; m.s^4 e) m/s^3; m/s^4A person running through the forest with equation: y(x, t) = (1.1 m)cos(3.1x – 7.1t) for which x has units of meters and t has units of seconds. Calculate the speed of the person running in m/s. Include postive or negative sign in the answer to show which direction the person is moving in
- 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.5. When 12 times a number is added to the square of that number, the result is ‒32. Determine the two numbers that fit this condition. Answer step-by-steps. 6. A cannonball is fired from ground level on an arc described by h = ‒t2 + 8t, where h = the height in metres and t is the time in seconds. How many seconds after firing will it land? Answer step-by-steps.You expect your average speed to be 60 miles per hour on this trip. Determine how many hours of driving it will take for you to get to Mackinaw City one-way? It is 226 miles one way according to the trip planner.
- 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.g. 981 meters/s2 x miles/s?Tectonic plates are large segments of the Earth's crust that move slowly. Suppose one such plate has an average speed of 4.80 cm per year. a) What distance (in m) does it move in 75.0 seconds at this speed? m b) What is its speed in miles per million years? mi/million yr