5. A car is traveling in a curve of radius 200m. An engineer noted that the pendulum attached in the car inclined by 15° with respect to vertical. Find the speedometer rating of a car in kph.
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- An object weighing 40 lbs hangs on the end of a spring, stretching the spring 6 inches. The object is in a medium that exerts a viscous resistance of 75 lbs when the object has a velocity of 6 ft/sec. Suppose the object is lifted an additional 8 inches and released. Find an equation for the object's displacement, u(t), in feet after t seconds. u(t) = Remember that, in imperial units, acceleration due to gravity is 32 ft/s² and that lbs are a measurement of force. Be sure to convert any measurements necessary so that the units match. Question Help: Video Message instructor D Post to forum Submit QuestionA variable force F(x)=Ax2-Bx acts on an object. The units of F(x) are N and the values of A and B are A=6.09 and B=3.18 when x is in meters. The units of A and B are?A person uses a set of spring-based analog scales to measure her weight. He did the weighing process 10 times and get the following measurement figures in kilograms:60.1, 59.6, 59.4, 60.4, 59.9, 59.6, 60.2, 60.7, 59.4, and 59.7. To satisfy his curiosity, he then used one scale electronically calibrated to measure its assumed weight has zero error. This scale gives a reading of 60.5 kg. Calculate the precision (precision) of a spring-based balance?
- The planet Earth, Jupiter, the Moon, and the Sun have the following values: mJ = 1.90x1027kg , mE = 5.97x1024kg , mM = 7.35x1022 kg , mS = 1.99x1030kg RJ = 6.99x107 m , RE = 6.37x106 m, RM = 1.74x106 m , RS = 6.96x108 m dEarth to Moon = 3.60x105 km , dEarth to Jupiter = 588x106m , dEarth to Sun = 150x106 km (a) Find the magnitude of the force of gravity acting on the planet Earth due to the planet Jupiter. (b) Find the potential energy between the planet Earth and the planet Jupiter. (c) Find the acceleration of gravity on the planet Jupiter.If velocity =−12i + 21.5j m/s, how fast is it moving? (Express the answer to two significant figures).3. A satellite is launched from the surface of the earth at the initial speed of 8 km/s. How high will it go before it stops and starts falling back to the earth?
- I do not know how to get started with my graph. Does my x axis need to be between 7.84 or 15.68 and my y axis between 0.779 or 1.558. If so how should I start my graph and how much should I go up by with both x and y axis's. Please help! I am confused.4. Harnessing wind power has become an effective alternative to finding and refining fossil fuels. These wind turbines are now found all over Ontario. One of these turbines has a blade with an 8 metre diameter. The maximum height from the ground to the tip of the blade is 26 m. At an average wind speed, the blade makes 20 rotations every minute. Assuming that the tip of the blade starts at the lowest point, determine an equation for the height versus time.1. A force is given as Ẻ = xy² x + (x²y + y) ŷ. Calculate § F. dỉ along the circumference of a circle of radius 3.
- An object weighing 8 lbs hangs on the end of a spring, stretching the spring 3 inches. The object is in a medium that exerts a viscous resistance of 27 lbs when the object has a velocity of 6 ft/sec. Suppose the object is lifted an additional 8 inches and released. Find an equation for the object's displacement, u(t), in feet after t seconds. u(t) = Remember that, in imperial units, acceleration due to gravity is 32 ft/s? and that lbs are a measurement of force. Be sure to convert any measurements necessary so that the units match. Question Help: D Video D Post to forum - Submit QuestionA graph of x vs. t4, with x on the vertical axis and t4 on the horizontal axis, is linear. Its slope is 51 m/s4 and its vertical-axis intercept is 8 m. Write an equation for x as a function of t. x = (8 m )t 4 − 51 m/s 4 x = (51 m/s 4 )t 4 + 8 m x=(51 m/s48 m)t4x=51 m/s48 mt4 x = (8 m )t 4 + 51 m/s 4