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 Question3. In the future, we may encounter a civilization from another planet. They will not use the SI or AE systems of units. Suppose we meet aliens who use the Zerf as a unit of mass and the Spund as a unit of force. One Spund is the weight of a mass of one Zerf on the surface of Mars. The gravitational acceleration on Mars is 3.7 m/s?. a.) What is gc in the alien system of units? Be sure to include the numerical value and the units. b.) How much would a 350 Zerf object weigh on the surface of Mars, in Spunds??
- A particle travels around a circular path having a radius of 53 m. If it is initially traveling with a speed of 10 m/s and its speed then increases at a rate of (0.05 v) m/s 2, determine the magnitude of the particle's acceleration at t = 9 s. Round your answer to 2 decimal placesA 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?
- 15. A car travels half distance with 40 kmph and rest half distance with 60 kmph then the average speed of car is: (1) 60 kmph (2) 52 kmph (3) 48 kmph (4) 40 kmphI 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.You are given the following equations and corresponding data. In each case solve for the stated quantity. (a) (M. c. + M c) S = VI solve for c. V = 12.00 + 0.05 V I= 2.17+0.05 A M = 125+1 g %3D c = 390+0.53 J/Kg K M, = 75+1 g S= (7.18+0.02) x10 K/s (b) z =v (x y + w') solve for z v = (0.644 + 0.004) m x = (3.42 + 0.06) m y = (5.0 ± 0.12) m, w = (12.13 + 0.08)m