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Question1
At one instant a bicyclist is 40.0 m due east of a park's flagpole, going due south with a speed of 10.0 m/s. Then 30.0 s later, the cyclist is 40.0 m due north of the flagpole, going due east with a speed of 10.0 m/s. For the cyclist in this 30.0 s interval, what are the
(a) Magnitude and
(b) Direction of the displacement, the
(c) Magnitude and
(d) Direction of the average velocity, and the
(e) Magnitude and
(f) Direction of the average acceleration?
Question2
The magnitude of F is 246 Newton's and it points at 118 degrees measured counter clockwise from the positive x-axis. What is the y component (in Newton's) of F?
A solid block of wood is a cube whose volume is 1x10^-3m^3. When dropped into a swimming pool, How much does the block of wood weigh
A given copper wire has a resistance of 5.11 ? at 20.0°C while a tungsten wire of the same diameter has a resistance of 4.61 ? at 20.0°C
If the ball was thrown from the street, when does it reach the street again after it passes by window on the way up.
Suppose your 50.0 mm focal length camera lens is 53.5 mm away from the film in the camera. How far away is an object that is in focus
The angular velocuty of the elctron in the lowest Bohr orbit of the hydrogen atom is about 4*10^16 s^-1. Determine the Larmor frequency in a field of 2 T
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. Find the acceleration of the box
Fraternal twins Jack and Jill are sent in two different ships to fetch water from the planet Kusbane that is 20 lightyears away. Which twin is older
Two train cars are on a straight, horizontal track. One car starts at rest and is put in motion with a constant acceleration of 1.01 m/s2. Where will the cars collide
What is the electric field strength between the disks? A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have
Steam at 100°C is added to ice at 0°C, Find the amount of ice melted and the final temperature when the mass of steam is 14.0 g and the mass of ice is 52.0 g
A long straight wire suspended in the air carries a conventional current of 8.2 amperes in the ?x direction, What is the (vector) magnetic field due to the wire at the location of the electron
In lectures and in tutorials, we discussed the confinement of an electron (or other particle) to a box of infinite depth, running from x = 0 to x = a. If we, instead, define this 1-D region of confinement as running from -(a/2) to (a/2)
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