The acceleration of a particle as it moves along a straight line is given by a = (2t - 1) m/s, where t is in seconds. If s = 1 m and v = 2 m/s when t=6, determine the particle's Volocity and n
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- POSSIBLE POINTS: 7.32 Julietta and Jackson are playing miniature golf. Julietta's ball rolls into a long, straight downward incline with a speed of 2.95 m/s and accelerates at 3.76 m/s/s for 2.74 seconds until it reaches the bottom of the incline and then continues along an elevated section. Determine the length of the incline. BIUT T, 0/ 10000 Word Limit 2 3 4 5 67 8. 10 Nex Sign dutA particle has an acceleration of a=2i + (t-1)j The velocity at t=0 is v0=-2i + 0j and is at the origin at t=0 What is the y position when the x velocity is zero? answer in mGiven the acceleration of a particle is described as follows: a = 10(t^2+2t)-8 What is the distance traveled at t = 5 seconds? The particle started from zero. Hint: x=0, t= 0 V=0, t=0
- Here are a couple acceleration problems. Acceleration isn't necessarily constant. These problems will be pure math problems, meaning that we won't use units. a(t) = dv/dt = 146 cos(4t) v(t) = dx/dt, v(0) = -3, and x(0) = -6 Calculate x(6).Only do C,D,EA circular racetrack has a distance of 755 m. A racer is currently driving her car on the racetrack. As she starts the car from rest, it begins to accelerate to a speed of 120 kph in 9 s. a. Determine the magnitude of the total acceleration of the car, 4 s after the car begins to increase its speed. b. If she maintains the speed of the car to be 120 kph, determine the magnitude of the total acceleration of the car after 5s. c. Upon accelerating to 120 kph, will the car pass its starting point? Prove using kinematic equations.
- 4.14A record is played by spinning the record so that a circular groove in the vinyl slides under the stylus. Suppose that a record turns at a rate of 33 1/3 rev. min, the groove being played is at a radius of 10.0 cm and the bumps in the grove are uniformly separated by 1.75 mm. At what rate (hits per second) do the bumps hit the stylus? Enter units as hertz (Hz). You will need v=rω ω is in rad/s and 1rev = 2 pi rad.A ball is thrown vertically upward with an initial speed v and reaches a maximum height y1. The same ball is thrown with an initial speed 3v to reach the maximum height y2. What is the correct relationship between y2 and y1? А. y2 = ½ y1 В. y2 = 2 y1 %D С. y2 = 4 y1 y2 = 9 y1 D.
- at an instant in time a particles velocity is v = (2.00i + 1.00j) m/s, while it’s acceleration is a = -1.00i m/s^2. at what rate is the particle speeding up / slowing down and what’s the radius of the curve on the particles trajectoryNASA has fired a rocket straight up into the air from ground level with an unknown initial velocity. It reaches a maximum height of 164,000 feet. This happened in Cape Canaveral therefore the rocket is under the acceleration of Earth's gavity in which we all know is -32 ft/sec/sec. Please round your answers to two decimal places. a). Find the time it takes for the rocket to reach maximum height. b). find the initial velocity necessary to reach that height.a m/s t A particle moves in a straight line with the acceleration shown in the figure. Knowing that the particle starts from the origin with v, = -2 ms, (a) construct the v-t and X-1 curves for 0SEE MORE QUESTIONS