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Problem: While cycling at speed of 11 m/s, Lance Armstrong starts going downhill with an acceleration of magnitude 1.2 m/s2. The descent takes 10.0 s.
Part A: Find the speed of the cyclist at the end of the descent and the distance traveled in the time interval.
I need help to find the speed of the cyclist at the end of the descent.
You and a friend are out hiking across a large flat plain and decide to determine the height of a distant mountain peak, and alsothe horizontal distance from you to the peak. In order to do this,you stand in one spot and determine that the sightli..
The wheel in the figure has eight equally spaced spokes and a radius of 34 cm. It is mounted on a fixed axle and is spinning at 2.1 rev/s. What minimum speed must the arrow have
A solid sphere of radius 55.0 cm is concentric with a spherical shell of radius 78.4 cm. The solid sphere has a charge of -98.5 x 10-7 C on it, The surface charge density on the outer shell is
halleys comet has a period of approximately 76 years and it moves in an elliptical orbit in which its distance from the
(a) Calculate the lowest energy of the electron in He+. Is it lower than that of H (b) If this electron absorbs a photon and makes a transition to the 2p orbital
What is the cannonball's velocity at the highest point in the trajectory, How long does it take to get to this point
A meter stick of weight W leans away from a wall. The 0 cm line is against the wall at the floor and it makes an angle of theta with the wall. It is kept from falling by a horizontal string connected to the 80 cm line. What is the tension (T) in the ..
Starting from rest, a 5.50-kg block slides 2.00 m down a rough 30.0° incline. Determine the work done by the normal force
The proton is replaced with He2+ ion now at a distance of 3 cm from the bead. What is the magnitude of the force experienced by the helium ion
1 a notebook computer wire carries 1.5 a. how many electrons pass through the wire each second? 2 a 50-w and 100-w
A weight of 200 N is hung from a spring with a spring constant of 2500 N/m and lowered slowly. How much will the spring stretch
Two blocks are connected over a massless, frictionless pulley, What is the value of the tension in the string
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