A toboggan is traveling down along a curve which can be approximated by the parabola y = 0.01x2. At the instant shown, if its velocity has a x component of 10 m/s (in the negative x direction), what is the magnitude of its y velocity component?
7.2 (m/s) |
6 (m/s) |
1.2 (m/s) |
12 (m/s) |
A toboggan is traveling down along a curve which can be approximated by the parabola y...
A toboggan is traveling down a long a curve which can be
approximated by the parabola y=0.01x2 . Dtermine the
magnitude of its accleration when it reaches point
A, where its speed is a =10 m/s , and it is increasing at the rate of
(at )A = 3m/s2 .
A sled is traveling down along a curve which can be approximated
by the parabola y=1/4 x^2. When point B on the runner is
coincident with point A on the curve (xA=2m, yA=1 m), the
speed if B is measured as vB=8 m/s and the increase in
speed is dvB/dt=4 m/s2. Determine the magnitude of the acceleration
of point B at this instant.
F12-18. A particle travels along a straight-line path y 0.5x. If the x component of the particle's velocity is vr= (2) m/s, where t is in seconds, determine the magnitude of the particle's velocity and acceleration when = 4 s. y =0.5x Prob. F12-18 F12-19. A particle is traveling along the parabolic path y 0.25x. If x 8 m. , 8 m/s, and a, 4 m/s2 when 2 s. determine the magnitude of the particle's velocity and acceleration at this...
10. An automobile, traveling at a constant speed of 25 m/s, enters a 90° curve and emerges from this curve 68 later. What are the x and y components of average acceleration during this time interval? [Hint: Av, 0 m/s - 25 m/s -25 m/s, Avy - 25 m/s - 0 m/s - 25 m/s.az - Av, /t, a, Av, /t] 11. While jogging this morning you encountered a circular track. As you finished one round along the track with...
Car on curve 12 3 4 5 67 A car is traveling around a horizontal circular track with radius r = 240 m at a constant speed v angle 8A 29 above the x axis, and the angle Op 58 below the x axis. 25 m/s as shown. The 1) What is the magnitude of the car's acceleration? m/s Submit 2) What is the x component of the car's acceleration when it is at point A m/ st Submit 3)...
Fundamental Problem 12.19 A particle is traveling along the parabolic path y 0.25c 7 m. U = 8 m/s. and ag - 4 m/s when t = 25 (Figure 1) Part A Determine the magnitude of the particle's velocity at this instant Express your answer to three significant figures and include the appropriate units. HAO? ut Value Units Figure 1 of 1 Submit Request Answer Part B y = 0.250 Determine the magnitude of the particles acceleration at this instant...
a spacecraft is traveling with a velocity it v(x)= 5480 along the +x direction. two engines are turned on for a time of 842 s, which produces a x=1.20 m/s 2 in the +x direction and a y=8.40 m/s 2 in the +y direction. what is the spacecrafts velocity at the end of firing?
1. The velocity of an object traveling along the x-axis changes from 20 m/s to 60 m/s in 10 seconds. What was the displacement that occurred during this time? 2. An object moving along the x-axis initially has a velocity of 60 m/s and is slowing rest? down at the rate of 4 m/s per second. How far (in meters) will it travel before coming to 3. An accelerating object travels 12 meters from rest in a certain time. How...
can you solve neatly, step by step so I can
understand?
2) 40 pts. Block A, which is attached to a cord, moves along the slot of a horizontal forked rod. At the instant shown, the cord is pulled down through the hole at O with an acceleration of 4 m/sec/sec and its velocity is 2 m/s. Determine the acceleration of the block at this instant. The rod rotates about O with an angular velocity of 4 rad's and an...
An electron with kinetic energy K is traveling along the +x
axis, which is along the axis of a cathode-ray tube as shown in the
figure below. There is an electric field E = 8.00××1044 N/C pointed
in the +y direction between the deflection plates, which are d =
0.0500 m long and are separated by 0.0200 m.
Cumulative Problem 15 An electron with kinetic energy K is traveling along the +x axis, which is along the axis of a...