The automobile is originally at rest, i.e., s (t = 0 s) = 0 m. If it then starts to increase its speed at a (t) = (0.05t2 ) ft/s 2 , where t is in seconds, then determine the magnitudes of its velocity and acceleration at s = 550 ft. Note that a (t) becomes a t (t) along the circular path.

Q: A runner runs along the helix r(t) = (cost,sin t,t). When he isat position r( π/2), his speed is 3…

A: To find the acceleration vector

Q: An electron with an initial velocity vo = 2.10×10$ m/s enters a region 1.0 cm long where it is…

A: Write the equation of motion,

Q: A basketball starts from rest and accelerates with an acceleration of 0.395 m/s2 while moving down a…

A:

Q: Sulian throws Sarams pebbles at Danny's undowe at 2,3 M/s. How fast Cin M/S) does Sulian throw the…

A:

Q: A motorboat travels along a circular path with the radius equal to 50m. It starts from rest and…

A: Solution:-Given thatRadius of circular path (R)=50 mStarts from rest i.e. initial speed (u)=0Speet…

Q: An object is thrown from a level field with initial upward speed 17 m/s and forward speed 9.9 m/s.…

A:

Q: A cart starting from rest at a height of 1.00 m above a tabletop can roll down two different…

A: AD=1 mWe know, acceleration along the ramp is :

Q: Michael, the regional manager of a mid-sized paper company in northeastern Pennsylvania, must drive…

A:

Q: If an egg is dropped from rest and takes 0.8 seconds to hit the ground, what is the height, in…

A: Given Data: The time taken by egg to hit the ground is: t=0.8 s The gravitational acceleration is:…

Q: Two balls collide in a perfectly elastic collision. Ball 1 has a mass of 4.0 kg and is initially…

A: Mass of ball 1 is m1=4 kg Initial velocity of ball 1 is v1i=5.5 m/s Mass of ball 2 is m2=6 kg…

Q: A particle moves with a constant speed of 3 m/sec along the path shown where the equation of the…

A:

Q: A sports car moving at constant velocity travels 130m in 4.9s. It then brakes and comes to a stop in…

A: First we find the initial speed of the car then we apply equation of motion to find the acceleration…

Q: A car P travels along a straight road with a constant speed v = 61 mi/hr. At the instant when the…

A: v = 61 mi/hr θ = 68° l = 119' ṙ = ?  θ˙ = ?

Q: Three vectors are given by a = -1.00 + (3.00) + (2.00) k, = −2.00î + (1.00) Ĵ + (−4.80) k, and さ= :…

A: Solution:-Given thata→=-i^+3j^+2k^b→=-2i^+j^-4.8k^c→=4i^+0j^+2k^

Q: A flea is on a stick. The stick and with the flea on it are falling downward at 0.400 m/s. The flea…

A: Initial velocity of stick and flea (u) = 0.4 ms , downwards The acceleration of flea (a) = 1470 ms2,…

Q: Cylinder B has a downward velocity in feet per second given by vB = 0.75t2 + 0.45t3, where t is in…

A: The downward velocity of cylinder B is vB = 0.75t2 + 0.45t3.The time is 2.46 sec.

Q: The graph shows the displacement, Ax, of a walking man as a function of time. 2. 12 8 (m) 4 4 6. t…

A: Given Displacement time graph of an object Concept Velocity = Rate of change of displacement…

Q: f the acceleration is constant, how much time elapses while the auto moves the 180 ft? Answer in…

A: u=24 fts &   v=37 fts   , s=180 ft , a=constantUsing third equation of motion , we get…

Q: 1つ7 3. An object undergoes motion in 2 dimensions under a constant acceleration of "-2.50 m/s at an…

A:

Q: A football played runs for a distance d1=7.32 m in 1.07 s at an agle of 44.4 degrees. Then turn left…

A: Given:- d1 = 7.32 m  in 1.07 sec with an angle of 44.4 o Then turn left and runs a distance d2=…

Q: H.W: An object is thrown horizontally at 20m/s from a cliff top 45m above sea level. Find (a)the…

A:

Q: A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base…

A:

Q: Find the following for path A in the Figure, measuring the displacements from the back of the arrow,…

A: According to given question; x=0 to x= 12

Projectile Motion